Fix left part of a cut cannot be selected right after processing

BUG: 428544

src/timeline2/view/qml/Clip.qml

@@ -145,7 +145,7 @@ Rectangle {
     }
 
     onClipDurationChanged: {
-        width = clipDuration * timeScale;
+        width = clipDuration * timeScale
         if (parentTrack && parentTrack.isAudio && thumbsLoader.item) {
             // Duration changed, we may need a different number of repeaters
             thumbsLoader.item.reload(1)
@@ -593,6 +593,8 @@ Rectangle {
                 onEntered: {
                     if (!pressed) {
                         trimIn.opacity = 1
+                        var itemPos = mapToItem(tracksContainerArea, 0, 0, width, height)
+                        initDrag(clipRoot, itemPos, clipRoot.clipId, clipRoot.modelStart, clipRoot.trackId, false)
                     }
                 }
                 onExited: {
@@ -683,6 +685,8 @@ Rectangle {
                 onEntered: {
                     if (!pressed) {
                         trimOut.opacity = 1
+                        var itemPos = mapToItem(tracksContainerArea, 0, 0, width, height)
+                        initDrag(clipRoot, itemPos, clipRoot.clipId, clipRoot.modelStart, clipRoot.trackId, false)
                     }
                 }
                 onExited: trimOut.opacity = 0

src/timeline2/view/qml/timeline.qml

@@ -1235,7 +1235,7 @@ Rectangle {
                                                     clickAccepted = true
                                                     dragProxy.draggedItem = tentativeClip.clipId
                                                     dragProxy.x = tentativeClip.x
-                                                    dragProxy.y = tentativeClip.y
+                                                    //dragProxy.y = tentativeClip.y
                                                     dragProxy.width = tentativeClip.width
                                                     dragProxy.height = tentativeClip.height
                                                     dragProxy.masterObject = tentativeClip