feat: unify media controls dropdown interactions, hover behavior and cycle controls (#2470)

* feat: unify media controls dropdown interactions, hover behavior and cycle controls

- Implement hover-to-show and hover-to-hide for all media control dropdowns.
- Make clicking the Output Devices and Media Players buttons cycle through items when expanded.
- Always display the 'speaker' icon for Output Devices to maintain visual consistency.
- Bind dropdown player properties dynamically to fix list stale rendering states.

* fix(DankDash): use trackArtist property for artist label in MediaPlayerTab

* fix(DankDash): simplify active player label for consistency with output devices

* feat(DankDash): display volume levels for audio output devices in dropdown

* fix(DankDash): display Unknown Artist when artist is empty in player list

* feat(DankDash): add keyboard shortcuts for seeking, track cycling and playback control in Media popout

* feat(DankDash): change Up/Down arrow keys to adjust volume in Media popout

* feat(DankDash): auto-open volume dropdown overlay when using Up/Down shortcuts

* feat(DankDash): add Key M shortcut to toggle mute in Media popout

* fix(mpris): clamp minimum seek position to 0.1s to prevent browser player reset

* fix(mpris): cache stable length to prevent browser transient reset issues

* fix(mpris): persist activePlayerStableLength in MprisController singleton

* fix(mpris): resolve browser player album art with raw metadata and YouTube url fallbacks

* fix(mpris): resolve browser player album art with local caching and 16:9 youtube fallbacks

* style(mpris): trim trailing whitespace in TrackArtService

* fix(mpris): address code review feedback on remote caching, stale artwork, and hover state

* fix: secure curl commands and prevent premature dropdown overlays closing on button re-hover

quickshell/Widgets/DankAlbumArt.qml

@@ -8,15 +8,19 @@ Item {
     id: root
 
     property MprisPlayer activePlayer
-    property string artUrl: (activePlayer?.trackArtUrl) || ""
+    property string artUrl: TrackArtService.resolvedArtUrl
     property string lastValidArtUrl: ""
     property alias albumArtStatus: albumArt.imageStatus
     property real albumSize: Math.min(width, height) * 0.88
     property bool showAnimation: true
     property real animationScale: 1.0
 
+    onActivePlayerChanged: {
+        lastValidArtUrl = "";
+    }
+
     onArtUrlChanged: {
-        if (artUrl && albumArt.status !== Image.Error) {
+        if (artUrl && albumArtStatus !== Image.Error) {
             lastValidArtUrl = artUrl;
         }
     }