Clear button inside for should have type=button

* Without it, the button will capture the enter key instead of the
  submit button

corehq/apps/cloudcare/templates/cloudcare/partials/form_entry/bootstrap3/entry_select.html

@@ -22,7 +22,7 @@
           </div>
         </div>
       </div>
-      <button class="btn btn-default btn-xs pull-right" data-bind="click: onClear, fadeVisible: !isMulti && rawAnswer()">
+      <button type="button" class="btn btn-default btn-xs pull-right" data-bind="click: onClear, fadeVisible: !isMulti && rawAnswer()">
         {% trans "Clear" %}
       </button>
     </div>