Merge remote-tracking branch 'origin/stable' into math2

src/public/app/widgets/note_actions.js

@@ -126,13 +126,6 @@ export default class NoteActionsWidget extends TabAwareWidget {
             this.$showSourceButton.attr('disabled', 'disabled');
         }
 
-        if (note.type === 'text') {
-            this.$exportNoteButton.removeAttr('disabled');
-        }
-        else {
-            this.$exportNoteButton.attr('disabled', 'disabled');
-        }
-
         this.$protectButton.toggle(!note.isProtected);
         this.$unprotectButton.toggle(!!note.isProtected);
     }

src/public/app/widgets/promoted_attributes.js

@@ -173,6 +173,9 @@ export default class PromotedAttributesWidget extends TabAwareWidget {
             }
             else if (definition.labelType === 'boolean') {
                 $input.prop("type", "checkbox");
+                // hack, without this the checkbox is invisible
+                // we should be using a different bootstrap structure for checkboxes
+                $input.css('width', '80px');
 
                 if (valueAttr.value === "true") {
                     $input.prop("checked", "checked");

src/public/app/widgets/similar_notes.js

@@ -122,6 +122,11 @@ export default class SimilarNotesWidget extends TabAwareWidget {
 
         const similarNotes = await server.get('similar-notes/' + this.noteId);
 
+        if (!similarNotes) {
+            this.toggleInt(false);
+            return;
+        }
+
         this.toggleInt(similarNotes.length > 0);
 
         if (similarNotes.length === 0) {