QmlDesigner: Enable effect animation by default

Also included some enhancements to ModelNodeOperations

Task-number: QTBUG-110486
Change-Id: Ibaeef035121fff070119100560efcdab03e1a273
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>

src/plugins/qmldesigner/components/componentcore/modelnodeoperations.cpp

@@ -1670,11 +1670,10 @@ void openEffectMaker(const QString &filePath)
         Utils::QtcProcess *qqemProcess = new Utils::QtcProcess();
         qqemProcess->setEnvironment(env);
         qqemProcess->setCommand({ effectMakerPath, arguments });
-        qqemProcess->start();
-
         QObject::connect(qqemProcess, &Utils::QtcProcess::done, [qqemProcess]() {
             qqemProcess->deleteLater();
         });
+        qqemProcess->start();
     }
 }
 

src/plugins/qmldesigner/designercore/model/qmlitemnode.cpp

@@ -214,6 +214,9 @@ void QmlItemNode::placeEffectNode(NodeAbstractProperty &parentProperty, const Qm
     } else {
         parentProperty.parentModelNode().variantProperty("layer.enabled").setValue(true);
     }
+
+    if (effectNode.modelNode().metaInfo().hasProperty("timeRunning"))
+        effectNode.modelNode().variantProperty("timeRunning").setValue(true);
 }
 
 bool QmlItemNode::isValid() const