create an alert div if pollAndReplace fails (#3915)

Create an alert div if pollAndReplace fails.

apps/dashboard/app/javascript/turbo_shim.js

@@ -6,6 +6,7 @@
 */
 
 import { setInnerHTML } from './utils';
+import { alert } from './alert';
 
 export function replaceHTML(id, html) {
   const ele = document.getElementById(id);
@@ -24,7 +25,15 @@ export function replaceHTML(id, html) {
 
 export function pollAndReplace(url, delay, id, callback) {
   fetch(url, { headers: { Accept: "text/vnd.turbo-stream.html" } })
-    .then(response => response.ok ? Promise.resolve(response) : Promise.reject(response.text()))
+    .then((response) => {
+      if(response.status == 200) {
+        return Promise.resolve(response);
+      } else if(response.status == 401) {
+        return Promise.reject("This page cannot update becase you are no longer authenticated. Please refresh the page to log back in.")
+      } else {
+        return Promise.reject(response.text());
+      }
+    })
     .then((r) => r.text())
     .then((html) => replaceHTML(id, html))
     .then(() => {
@@ -34,7 +43,11 @@ export function pollAndReplace(url, delay, id, callback) {
       }
     })
     .catch((err) => {
-      console.log('Cannot retrieve partial due to error:');
+      if (typeof err == 'string') {
+        alert(err);
+      } else {
+        alert('This page has encountered an unexpected error. Please refresh the page.');
+      }
       console.log(err);
     });
 }