fix(Microphone::Mute): Stop telling user that the microphone mute hotkey couldn't be registered

This happens so often, this will disable the feature automatically instead.

Author: Belphemur

SoundSwitch/Model/AppModel.cs

@@ -225,7 +225,11 @@ public void InitializeMain()
             ProfileManager = new ProfileManager(new WindowMonitor(), AudioSwitcher.Instance, ActiveAudioDeviceLister, TrayIcon.ShowError, new TriggerFactory(), _notificationManager);
             RegisterHotKey(AppConfigs.Configuration.PlaybackHotKey);
             RegisterHotKey(AppConfigs.Configuration.RecordingHotKey);
-            RegisterHotKey(AppConfigs.Configuration.MuteRecordingHotKey);
+            if (!RegisterHotKey(AppConfigs.Configuration.MuteRecordingHotKey))
+            {
+                AppConfigs.Configuration.MuteRecordingHotKey.Enabled = false;
+                AppConfigs.Configuration.Save();
+            }
 
             WindowsAPIAdapter.HotKeyPressed += HandleHotkeyPress;