rhodecode.js: show/hide set_mode_header like filename_container in initCodeMirror file_enable and upload_file_enable

rhodecode/public/js/rhodecode.js

@@ -975,12 +975,14 b' var initCodeMirror = function(textarea_i'
             $('#editor_container').show();
             $('#upload_file_container').hide();
             $('#filename_container').show();
+            $('#set_mode_header').show();
         });
 
     $('#upload_file_enable').click(function(){
             $('#editor_container').hide();
             $('#upload_file_container').show();
             $('#filename_container').hide();
+            $('#set_mode_header').hide();
         });
 
     return myCodeMirror