feat: quality picker with track info, update dialog redesign, finalizing notification fix

- Quality picker now shows track name, artist, and cover
- Tap to expand long track titles (icon only shows when truncated)
- Ripple effect follows rounded corners including drag handle
- Update dialog redesigned with Material Expressive 3 style
- Fixed update notification stuck at 100% after download complete
- Ask before download now enabled by default
- Finalizing notification for multi-progress polling

android/app/src/main/AndroidManifest.xml

@@ -19,7 +19,8 @@
         android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher"
         android:requestLegacyExternalStorage="true"
-        android:usesCleartextTraffic="true">
+        android:usesCleartextTraffic="true"
+        android:enableOnBackInvokedCallback="true">
 
         <activity
             android:name=".MainActivity"

android/app/src/main/kotlin/com/zarz/spotiflac/MainActivity.kt

@@ -50,6 +50,15 @@ class MainActivity: FlutterActivity() {
                             }
                             result.success(response)
                         }
+                        "searchSpotifyAll" -> {
+                            val query = call.argument<String>("query") ?: ""
+                            val trackLimit = call.argument<Int>("track_limit") ?: 15
+                            val artistLimit = call.argument<Int>("artist_limit") ?: 3
+                            val response = withContext(Dispatchers.IO) {
+                                Gobackend.searchSpotifyAll(query, trackLimit.toLong(), artistLimit.toLong())
+                            }
+                            result.success(response)
+                        }
                         "checkAvailability" -> {
                             val spotifyId = call.argument<String>("spotify_id") ?: ""
                             val isrc = call.argument<String>("isrc") ?: ""