workspaces: keep the pill highlight while hovering its app icons

fixes #3839

(cherry picked from commit 112d05901f)

quickshell/Modules/DBar/Widgets/WorkspaceSwitcher.qml

@@ -375,7 +375,7 @@ BasePill {
                 }
                 property bool isOccupied: root.useNativeWorkspaces && CompositorService.workspaceOccupied(record)
                 property bool isPlaceholder: !!(record && record.placeholder)
-                property bool isHovered: mouseArea.containsMouse
+                property bool isHovered: pillHover.hovered
 
                 property bool loadedIsUrgent: false
                 property bool isUrgent: root.useNativeWorkspaces ? CompositorService.workspaceUrgent(record, loadedIsUrgent) : (modelData?.urgent ?? false)
@@ -615,6 +615,11 @@ BasePill {
                     }
                 }
 
+                HoverHandler {
+                    id: pillHover
+                    enabled: !isPlaceholder
+                }
+
                 MouseArea {
                     id: mouseArea
                     anchors.fill: parent