V8: A few UX updates to the listview move dialog (#6902)

* Add some context to the move operation from listviews

* Disable submit button in the listview move dialog until a target is chosen

* Fix bad merge

src/Umbraco.Web.UI.Client/src/views/common/infiniteeditors/move/move.html

@@ -13,6 +13,9 @@
     <umb-editor-container>
       <umb-box>
         <umb-box-content>
+          <p class="abstract" ng-hide="success">
+            <localize key="actions_infiniteEditorChooseWhereToMove">Choose where to move the selected item(s)</localize>
+          </p>
 
           <div ng-hide="miniListView">
             <div class="umb-control-group">
@@ -75,7 +78,8 @@
                 button-style="success"
                 label-key="general_submit"
                 state="vm.saveButtonState"
-                action="vm.submit(model)">
+                action="vm.submit(model)"
+                disabled="!model.target">
             </umb-button>
         </umb-editor-footer-content-right>
     </umb-editor-footer>