Revert attempt to fix Windows timeline icon size

src/timeline2/view/qml/TrackHead.qml

@@ -192,8 +192,8 @@ Rectangle {
             anchors.left: trackHeadColumn.left
             height: trackHeadRoot.buttonSize
             width: trackHeadRoot.buttonSize
-            icon.width: trackHeadRoot.iconSize
-            icon.height: trackHeadRoot.iconSize
+            //icon.width: trackHeadRoot.iconSize
+            //icon.height: trackHeadRoot.iconSize
             icon.name: trackHeadRoot.collapsed ? 'arrow-right' : 'arrow-down'
             onClicked: {
                 trackHeadRoot.myTrackHeight = trackHeadRoot.collapsed ? Math.max(collapsedHeight * 1.5, controller.getTrackProperty(trackId, "kdenlive:trackheight")) : collapsedHeight
@@ -318,8 +318,8 @@ Rectangle {
                 checked: enabled && trackHeadRoot.isStackEnabled
                 height: trackHeadRoot.buttonSize
                 width: trackHeadRoot.buttonSize
-                icon.width: trackHeadRoot.iconSize
-                icon.height: trackHeadRoot.iconSize
+                //icon.width: trackHeadRoot.iconSize
+                //icon.height: trackHeadRoot.iconSize
                 onClicked: {
                     timeline.showTrackAsset(trackId)
                     controller.setTrackStackEnabled(trackId, !isStackEnabled)
@@ -329,8 +329,8 @@ Rectangle {
                 id: muteButton
                 height: trackHeadRoot.buttonSize
                 width: trackHeadRoot.buttonSize
-                icon.width: trackHeadRoot.iconSize
-                icon.height: trackHeadRoot.iconSize
+                //icon.width: trackHeadRoot.iconSize
+                //icon.height: trackHeadRoot.iconSize
                 icon.name: isAudio ? (isDisabled ? 'kdenlive-hide-audio' : 'kdenlive-show-audio') : (isDisabled ? 'kdenlive-hide-video' : 'kdenlive-show-video')
                 onClicked: controller.setTrackProperty(trackId, "hide", isDisabled ? (isAudio ? '1' : '2') : '3')
                 ToolTip {
@@ -353,8 +353,8 @@ Rectangle {
                 id: lockButton
                 height: trackHeadRoot.buttonSize
                 width: trackHeadRoot.buttonSize
-                icon.width: trackHeadRoot.iconSize
-                icon.height: trackHeadRoot.iconSize
+                //icon.width: trackHeadRoot.iconSize
+                //icon.height: trackHeadRoot.iconSize
                 icon.name: isLocked ? 'kdenlive-lock' : 'kdenlive-unlock'
                 onClicked: controller.setTrackLockedState(trackId, !isLocked)
                 ToolTip {