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/VoiceMessage/VoiceMessageRecorderProtocol.swift

@@ -35,6 +35,7 @@ enum VoiceMessageRecorderAction {
 protocol VoiceMessageRecorderProtocol {
     var audioRecorder: AudioRecorderProtocol { get }
     var previewAudioPlayerState: AudioPlayerState? { get }
+    var isRecording: Bool { get }
     var recordingURL: URL? { get }
     var recordingDuration: TimeInterval { get }