Fix enum and make it a parcel again

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

app/src/main/java/com/nextcloud/talk/models/json/conversations/Conversation.kt

@@ -191,7 +191,8 @@ data class Conversation(
         CONVERSATION_READ_WRITE, CONVERSATION_READ_ONLY
     }
 
-    enum class ConversationType {
+    @Parcelize
+    enum class ConversationType : Parcelable {
         DUMMY, ROOM_TYPE_ONE_TO_ONE_CALL, ROOM_GROUP_CALL, ROOM_PUBLIC_CALL, ROOM_SYSTEM
     }
 }