feat: add wallpaper transitions, store crop in database per-wallpaper, move CUDA context creation to async thread

Modules/Settings/Common/WallpaperCropper.qml

@@ -14,10 +14,13 @@ Item {
 	id: wrapper
 
 	readonly property bool isVideo: Wallpapers.currentIsVideo
+	readonly property string currentWallpaper: Wallpapers.current
 	readonly property var currentScreen: screens.length > selectedScreenIndex ? screens[selectedScreenIndex] : null
 	readonly property real maxZoom: 5.0
 	readonly property bool changesMade: {
 		cropRevision;
+		Wallpapers.cropVersion;
+		wrapper.currentWallpaper;
 
 		const r = cropRectLoader.item;
 		if (!r || !currentScreen || scaledImg.status !== Image.Ready)
@@ -115,6 +118,9 @@ Item {
 		refreshScreens();
 		Qt.callLater(syncCropToScreen);
 	}
+	onCurrentWallpaperChanged: {
+		Qt.callLater(syncCropToScreen);
+	}
 	onSelectedScreenIndexChanged: {
 		Qt.callLater(syncCropToScreen);
 	}