Update RoomDialogFragment.kt

app/src/main/java/chat/rocket/android/fragment/chatroom/dialog/RoomDialogFragment.kt

@@ -91,7 +91,6 @@ class RoomDialogFragment : DialogFragment(), RoomDialogContract.View {
     }
 
     override fun showFileList(dataSet: ArrayList<String>) {
-        activity.runOnUiThread({
         if (dataSet.isEmpty()) {
             // TODO("move to strings.xml")
             showMessage("None file to show")
@@ -99,11 +98,9 @@ class RoomDialogFragment : DialogFragment(), RoomDialogContract.View {
             recyclerView.adapter = RoomFileListAdapter(dataSet)
             recyclerView.layoutManager = LinearLayoutManager(context, LinearLayoutManager.VERTICAL, true)
         }
-        })
     }
 
     override fun showMemberList(dataSet: ArrayList<String>) {
-        activity.runOnUiThread({
         if (dataSet.isEmpty()) {
             // TODO("move to strings.xml")
             showMessage("None member to show")
@@ -111,7 +108,6 @@ class RoomDialogFragment : DialogFragment(), RoomDialogContract.View {
             recyclerView.adapter = RoomMemberListAdapter(dataSet)
             recyclerView.layoutManager = LinearLayoutManager(context, LinearLayoutManager.VERTICAL, true)
         }
-        })
     }
 
     override fun showMessage(message: String) {