only converting the voice messages when we're sending them

- stops us from eagerly converting to .ogg on android L and below devices whilst the draft phase/playback phase is ongoing, fixes unexpected .ogg when playing drafts

vector/src/main/java/im/vector/app/features/home/room/detail/composer/MessageComposerViewModel.kt

@@ -718,7 +718,7 @@ class MessageComposerViewModel @AssistedInject constructor(
         if (isCancelled) {
             voiceMessageHelper.deleteRecording()
         } else {
-            voiceMessageHelper.stopRecording()?.let { audioType ->
+            voiceMessageHelper.stopRecording(convertForSending = true)?.let { audioType ->
                 if (audioType.duration > 1000) {
                     room.sendMedia(audioType.toContentAttachmentData(isVoiceMessage = true), false, emptySet())
                 } else {

vector/src/main/java/im/vector/app/features/home/room/detail/composer/VoiceMessageHelper.kt

@@ -76,13 +76,17 @@ class VoiceMessageHelper @Inject constructor(
         startRecordingAmplitudes()
     }
 
-    fun stopRecording(): MultiPickerAudioType? {
+    fun stopRecording(convertForSending: Boolean): MultiPickerAudioType? {
         tryOrNull("Cannot stop media recording amplitude") {
             stopRecordingAmplitudes()
         }
         val voiceMessageFile = tryOrNull("Cannot stop media recorder!") {
             voiceRecorder.stopRecord()
+            if (convertForSending) {
                 voiceRecorder.getVoiceMessageFile()
+            } else {
+                voiceRecorder.getCurrentRecord()
+            }
         }
 
         try {
@@ -234,7 +238,7 @@ class VoiceMessageHelper @Inject constructor(
     }
 
     fun stopAllVoiceActions(deleteRecord: Boolean = true): MultiPickerAudioType? {
-        val audioType = stopRecording()
+        val audioType = stopRecording(convertForSending = false)
         stopPlayback()
         if (deleteRecord) {
             deleteRecording()