fix: Replace Rectangle-only image with an image that can work with sq…

…uare cropping

The original tpu thumbnail did not work well with new square crop on Quince
and beyond versions of Open edX® LMS.

Copied from: openedx-unsupported/openedx-demo-course-new#6

Co-Authored-By: John Swope <[email protected]>

demo-course/course/course/demo_course.xml

@@ -1,4 +1,4 @@
-<course advanced_modules="[&quot;edx_sga&quot;, &quot;lti&quot;, &quot;scorm&quot;, &quot;library_content&quot;, &quot;annotatable&quot;, &quot;poll&quot;, &quot;survey&quot;]" allow_anonymous="true" allow_anonymous_to_peers="true" cert_html_view_enabled="true" course_image="thumbnail_draft.png" discussions_settings="{&quot;enable_in_context&quot;: true, &quot;enable_graded_units&quot;: false, &quot;unit_level_visibility&quot;: true, &quot;provider_type&quot;: &quot;legacy&quot;, &quot;legacy&quot;: {&quot;group_at_subsection&quot;: false}}" display_name="Open edX Demo Course" enable_subsection_gating="true" graceperiod="" instructor_info="{&quot;instructors&quot;: []}" language="en" learning_info="[]" lti_passports="[&quot;codeboard:codeboard_key_1:codeboard_secret_1234&quot;, &quot;jupyter:811a447706c152588c436ee13addeeb889e7f256033679408737bd5bc4118225:869e9639af7de74929b13ae17ad22e4efb60d9d112143e287589289102e1de00&quot;]" minimum_grade_credit="0.8" self_paced="true" start="2020-01-01T00:00:00Z" teams_configuration="{&quot;topics&quot;: [{&quot;description&quot;: &quot;A place to join groups that would like to socialize&quot;, &quot;name&quot;: &quot;Social&quot;, &quot;id&quot;: &quot;social&quot;}, {&quot;description&quot;: &quot;A place to join groups that want to organize around specific study topics&quot;, &quot;name&quot;: &quot;Study&quot;, &quot;id&quot;: &quot;study&quot;}], &quot;max_team_size&quot;: 10}" user_partitions="[{&quot;id&quot;: 18587404, &quot;name&quot;: &quot;Content Groups&quot;, &quot;scheme&quot;: &quot;cohort&quot;, &quot;description&quot;: &quot;The groups in this configuration can be mapped to cohorts in the Instructor Dashboard.&quot;, &quot;parameters&quot;: {}, &quot;groups&quot;: [{&quot;id&quot;: 1819362822, &quot;name&quot;: &quot;Content Group A&quot;, &quot;version&quot;: 1}, {&quot;id&quot;: 259161138, &quot;name&quot;: &quot;Test&quot;, &quot;version&quot;: 1}, {&quot;id&quot;: 205150518, &quot;name&quot;: &quot;Content Group B&quot;, &quot;version&quot;: 1}], &quot;active&quot;: true, &quot;version&quot;: 3}]">
+<course advanced_modules="[&quot;edx_sga&quot;, &quot;lti&quot;, &quot;scorm&quot;, &quot;library_content&quot;, &quot;annotatable&quot;, &quot;poll&quot;, &quot;survey&quot;]" allow_anonymous="true" allow_anonymous_to_peers="true" cert_html_view_enabled="true" course_image="thumbnail_demox.jpeg" discussions_settings="{&quot;enable_in_context&quot;: true, &quot;enable_graded_units&quot;: false, &quot;unit_level_visibility&quot;: true, &quot;provider_type&quot;: &quot;legacy&quot;, &quot;legacy&quot;: {&quot;group_at_subsection&quot;: false}}" display_name="Open edX Demo Course" enable_subsection_gating="true" graceperiod="" instructor_info="{&quot;instructors&quot;: []}" language="en" learning_info="[]" lti_passports="[&quot;codeboard:codeboard_key_1:codeboard_secret_1234&quot;, &quot;jupyter:811a447706c152588c436ee13addeeb889e7f256033679408737bd5bc4118225:869e9639af7de74929b13ae17ad22e4efb60d9d112143e287589289102e1de00&quot;]" minimum_grade_credit="0.8" self_paced="true" start="2020-01-01T00:00:00Z" teams_configuration="{&quot;topics&quot;: [{&quot;description&quot;: &quot;A place to join groups that would like to socialize&quot;, &quot;name&quot;: &quot;Social&quot;, &quot;id&quot;: &quot;social&quot;}, {&quot;description&quot;: &quot;A place to join groups that want to organize around specific study topics&quot;, &quot;name&quot;: &quot;Study&quot;, &quot;id&quot;: &quot;study&quot;}], &quot;max_team_size&quot;: 10}" user_partitions="[{&quot;id&quot;: 18587404, &quot;name&quot;: &quot;Content Groups&quot;, &quot;scheme&quot;: &quot;cohort&quot;, &quot;description&quot;: &quot;The groups in this configuration can be mapped to cohorts in the Instructor Dashboard.&quot;, &quot;parameters&quot;: {}, &quot;groups&quot;: [{&quot;id&quot;: 1819362822, &quot;name&quot;: &quot;Content Group A&quot;, &quot;version&quot;: 1}, {&quot;id&quot;: 259161138, &quot;name&quot;: &quot;Test&quot;, &quot;version&quot;: 1}, {&quot;id&quot;: 205150518, &quot;name&quot;: &quot;Content Group B&quot;, &quot;version&quot;: 1}], &quot;active&quot;: true, &quot;version&quot;: 3}]">
   <chapter url_name="30b3fbb840024953b2d4b2e700a53002"/>
   <chapter url_name="35283385dd4947619c558f8bb888a031"/>
   <chapter url_name="d6780558bc3042c7ab6dd441a06d3478"/>

demo-course/course/policies/assets.json

@@ -2421,6 +2421,30 @@
             null
         ]
     },
+    "thumbnail_demox.jpeg": {
+        "contentType": "image/jpeg",
+        "content_son": {
+            "category": "asset",
+            "course": "DemoX",
+            "name": "thumbnail_demox.jpeg",
+            "org": "Axim",
+            "revision": null,
+            "run": "demo_course",
+            "tag": "c4x"
+        },
+        "displayname": "thumbnail_demox.jpeg",
+        "filename": "asset-v1:Axim+DemoX+demo_course+type@asset+block@thumbnail_demox.jpeg",
+        "import_path": null,
+        "locked": false,
+        "thumbnail_location": [
+            "c4x",
+            "Axim",
+            "DemoX",
+            "thumbnail",
+            "thumbnail_demox-jpeg.jpg",
+            null
+        ]
+    },
     "thumbnail_draft.png": {
         "contentType": "image/png",
         "content_son": {

demo-course/course/policies/demo_course/policy.json

@@ -12,7 +12,7 @@
         "allow_anonymous": true,
         "allow_anonymous_to_peers": true,
         "cert_html_view_enabled": true,
-        "course_image": "thumbnail_draft.png",
+        "course_image": "thumbnail_demox.jpeg",
         "discussion_blackouts": [],
         "discussion_topics": {
             "General": {