QmlDesigner.propertyEditor: solve collapsing colorBoxes issues:

share/qtcreator/qmldesigner/propertyeditor/Qt/ColorGroupBox.qml

@@ -10,14 +10,25 @@ QExtGroupBox {
 
     property var oldMaximumHeight;
 	
+	property var startupCollapse: selectionChanged;
+	property var firstTime: true;
+
     onFinishedChanged: {
         oldMaximumHeight = maximumHeight;
-        visible = false;
-        visible = true;
-        if (finished)
-        collapsed = true;
+        //visible = false;
+        //visible = true;
+        //if (finished)
+            //collapsed = true;
     }
 	
+	onStartupCollapseChanged: {
+	    oldMaximumHeight = maximumHeight;
+        if (!collapsed && firstTime) {
+              collapsed = true;
+			  colorButton.checked = false;
+			  firstTime = false;
+		}
+	}
 
     QWidget {
         id: colorButtonWidget
@@ -36,6 +47,7 @@ QExtGroupBox {
             }
 
             ColorButton {
+			    id: colorButton
                 color: colorGroupBox.backendColor.value;
                 checkable: true;
                 checked: false;