New voice message recording mode (#2051)

* Lock voice message recording

* Use the VoiceMessageCache to store the recording file

* Rework on some composer toolbar buttons

* Update accessibility labels for voice message recording button

* PreviewTests

ElementX/Sources/Services/Audio/Player/AudioPlayer.swift

@@ -105,6 +105,11 @@ class AudioPlayer: NSObject, AudioPlayerProtocol {
         addObservers()
     }
     
+    func reset() {
+        stop()
+        unloadContent()
+    }
+    
     func play() {
         isStopped = false
         setupAudioSession()