Adds in new util directive isolate-form used for nested forms that you do not want dirty to propogate upwards to parent forms

src/Umbraco.Web.UI.Client/src/common/directives/util/isolateform.directive.js

@@ -0,0 +1,10 @@
+angular.module("umbraco.directives")
+    .directive('isolateForm', function ($window, $timeout, windowResizeListener) {
+        return {
+            restrict: 'A',
+            require: ['form', '^form'],
+            link: function(scope, element, attrs, forms) {
+                forms[1].$removeControl(forms[0]);
+            }
+        }
+    });

src/Umbraco.Web.UI.Client/src/views/components/upload/umb-file-dropzone.html

@@ -1,6 +1,6 @@
 <div data-element="dropzone" class="umb-file-dropzone-directive">
 
-<ng-form name="uploadForm">
+<ng-form name="uploadForm" isolate-form>
 
 <!-- Drag and drop files area -->
     <div ngf-drop