Swallow exception if (channels/groups).roles endpoint does not exists on server

app/src/main/java/chat/rocket/android/chatroom/presentation/ChatRoomPresenter.kt

@@ -113,9 +113,14 @@ class ChatRoomPresenter @Inject constructor(
 
     fun setupChatRoom(roomId: String, roomName: String, roomType: String, chatRoomMessage: String? = null) {
         launchUI(strategy) {
+            try {
                 chatRoles = if (roomTypeOf(roomType) !is RoomType.DirectMessage) {
                     client.chatRoomRoles(roomType = roomTypeOf(roomType), roomName = roomName)
                 } else emptyList()
+            } catch (ex: RocketChatException) {
+                Timber.e(ex)
+                chatRoles = emptyList()
+            } finally {
                 // User has at least an 'owner' or 'moderator' role.
                 val userCanMod = isOwnerOrMod()
                 // Can post anyway if has the 'post-readonly' permission on server.
@@ -131,6 +136,7 @@ class ChatRoomPresenter @Inject constructor(
                 }
             }
         }
+    }
 
     private fun isOwnerOrMod(): Boolean {
         return chatRoles.firstOrNull { it.user.username == currentLoggedUsername }?.roles?.any {