Fixed form dirty with fabric

extension/Resources/Public/Json/fabric.buttons.json

@@ -79,15 +79,15 @@
           "icon": "glyphicon-search"
         },
       {
-        "name": "rotateRight",
-        "selector": "turn-right",
+        "name": "freeMouse",
+        "selector": "mouse-mode",
         "requiresDrawing": false,
-        "requiresSelection": false,
-        "isToggle": false,
-        "toggle": "",
+        "requiresSelection": true,
+        "isToggle": true,
+        "toggle": "isMouseMode",
         "hasToggleElement": false,
         "toggleElement": "",
-        "icon": "glyphicon-repeat"
+        "icon": "glyphicon-hand-up"
       }
     ],
     "currentMode": "draw",

javascript/src/Plugins/qfq.fabric.js

@@ -945,6 +945,8 @@ $(function (n) {
             this.outputField.val(JSON.stringify(that.canvas.toJSON()));
             if (this.qfqPage.qfqForm) {
                 this.qfqPage.qfqForm.eventEmitter.emitEvent('form.changed', n.EventEmitter.makePayload(that, null));
+                this.qfqPage.qfqForm.changeHandler();
+                this.qfqPage.qfqForm.form.formChanged = true;
             } else {
                 throw("Error: Couldn't initialize qfqForm - not possible to send form.changed event");
             }