Removes the mentions and member list on DMs.

app/src/main/java/chat/rocket/android/chatroom/ui/Menu.kt

@@ -8,11 +8,13 @@ import androidx.appcompat.widget.SearchView
 import androidx.core.content.res.ResourcesCompat
 import chat.rocket.android.R
 import chat.rocket.android.util.extension.onQueryTextListener
+import chat.rocket.common.model.RoomType
 
 internal fun ChatRoomFragment.setupMenu(menu: Menu) {
     setupSearchMessageMenuItem(menu, requireContext())
     setupFavoriteMenuItem(menu)
 
+    if (chatRoomType != RoomType.DIRECT_MESSAGE) {
         menu.add(
             Menu.NONE,
             MENU_ACTION_MEMBER,
@@ -26,6 +28,7 @@ internal fun ChatRoomFragment.setupMenu(menu: Menu) {
             Menu.NONE,
             R.string.msg_mentions
         )
+    }
 
     menu.add(
         Menu.NONE,