minor changes

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

@@ -53,7 +53,18 @@ import chat.rocket.android.helper.EndlessRecyclerViewScrollListener
 import chat.rocket.android.helper.KeyboardHelper
 import chat.rocket.android.helper.MessageParser
 import chat.rocket.android.helper.ImageHelper
-import chat.rocket.android.util.extensions.*
+import chat.rocket.android.util.extensions.asObservable
+import chat.rocket.android.util.extensions.circularRevealOrUnreveal
+import chat.rocket.android.util.extensions.fadeIn
+import chat.rocket.android.util.extensions.fadeOut
+import chat.rocket.android.util.extensions.hideKeyboard
+import chat.rocket.android.util.extensions.inflate
+import chat.rocket.android.util.extensions.rotateBy
+import chat.rocket.android.util.extensions.showToast
+import chat.rocket.android.util.extensions.textContent
+import chat.rocket.android.util.extensions.ui
+import chat.rocket.android.util.extensions.getMimeType
+import chat.rocket.android.util.extensions.getFileName
 import chat.rocket.common.model.RoomType
 import chat.rocket.common.model.roomTypeOf
 import chat.rocket.core.internal.realtime.socket.model.State