Update item_room_file.xml

app/src/main/res/layout/item_room_file.xml

@@ -15,7 +15,7 @@
 
     <chat.rocket.android.widget.message.RocketChatMessageAttachmentsLayout
         android:id="@+id/attachment"
-        android:layout_width="wrap_content"
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginTop="@dimen/margin_16"
         app:layout_constraintTop_toBottomOf="@+id/dayLayout" />