Colors: removed Colors.transparent / black and white in favor of their direct shorthands

Modules/Dock/DockMenu.qml

@@ -28,7 +28,7 @@ PopupWindow {
 
   implicitWidth: menuContentWidth + (Style.marginM * 2)
   implicitHeight: contextMenuColumn.implicitHeight + (Style.marginM * 2)
-  color: Color.transparent
+  color: "transparent"
   visible: false
 
   // Hidden text element for measuring text width
@@ -360,7 +360,7 @@ PopupWindow {
         Rectangle {
           Layout.fillWidth: true
           height: 32
-          color: root.hoveredItem === index ? Color.mHover : Color.transparent
+          color: root.hoveredItem === index ? Color.mHover : "transparent"
           radius: Style.radiusXS
 
           Row {