Fix: preserve audio category options when forcing speaker output (#1015)

forceSpeakerOutput replaced all category options with only
defaultToSpeaker, losing allowBluetooth/allowBluetoothA2DP/allowAirPlay.
Now adds defaultToSpeaker to the existing options instead.

Author: hiroshihorie

.changes/fix-speaker-toggle

@@ -0,0 +1 @@
+patch type="fixed" "Preserve Bluetooth and AirPlay options when forcing speaker output on iOS"

lib/src/hardware/hardware.dart

@@ -152,6 +152,7 @@ class Hardware {
           if (_preferSpeakerOutput && _forceSpeakerOutput) {
             config = config.copyWith(
               appleAudioCategoryOptions: {
+                ...?config.appleAudioCategoryOptions,
                 AppleAudioCategoryOption.defaultToSpeaker,
               },
             );

lib/src/track/audio_management.dart

@@ -116,6 +116,7 @@ Future<void> _onAudioTrackCountDidChange() async {
       if (Hardware.instance.forceSpeakerOutput) {
         config = config.copyWith(
           appleAudioCategoryOptions: {
+            ...?config.appleAudioCategoryOptions,
             AppleAudioCategoryOption.defaultToSpeaker,
           },
         );