Fix disabled clip regression (color and opacity changes were not applied anymore)

Fixes #905

src/timeline2/view/qml/Clip.qml

@@ -186,8 +186,8 @@ Rectangle {
     }
 
     function getColor() {
-        if (clipState == ClipState.Disabled) {
-            return 'grey'
+        if (clipRoot.clipState == ClipState.Disabled) {
+            return '#888'
         }
         if (clipRoot.tagColor) {
             return clipRoot.tagColor

src/timeline2/view/qml/Track.qml

@@ -209,8 +209,8 @@ Item{
                 }
                 Binding {
                     target: loader.item
-                    property: "clipStatus"
-                    value: model.clipStatus
+                    property: "clipState"
+                    value: model.clipState
                     when: loader.status == Loader.Ready && isClip(model.clipType)
                 }
                 Binding {