Merge remote-tracking branch 'origin/v13/dev' into v14/dev

# Conflicts:
#	Directory.Build.props
#	src/Umbraco.Web.BackOffice/Controllers/MediaController.cs

src/Umbraco.Web.UI.Client/src/common/services/clipboard.service.js

@@ -344,10 +344,14 @@ function clipboardService($window, notificationsService, eventsService, localSto
         // Clean up each entry
         var copiedDatas = datas.map(data => prepareEntryForStorage(type, data, firstLevelClearupMethod));
 
-        // remove previous copies of this entry:
+        // remove previous copies of this entry (Make sure to not remove copies from unsaved content):
         storage.entries = storage.entries.filter(
             (entry) => {
-                return entry.unique !== uniqueKey;
+                if (entry.unique === 0) {
+                    return displayLabel !== entry.label;
+                } else {
+                    return entry.unique !== uniqueKey;
+                }
             }
         );
 

src/Umbraco.Web.UI.Client/src/views/components/editor/umb-editor-sub-views.html

@@ -5,7 +5,7 @@
     ng-repeat="subView in subViews track by subView.alias"
     ng-class="'sub-view-' + subView.name"
     val-sub-view="subView"
-    ng-if="subView.active"
+    ng-show="subView.active"
   >
     <div class="umb-editor-sub-view__content" ng-include="subView.view"></div>
   </div>