Merge branch 'origin/bugfix_chatUI_Landscape' into 'release_sp3'

iPad横向きでチャットタブを開くと画面半分しか表示されないバグを修正

See merge request !70

public_new/js/chat-ui.js

@@ -1124,10 +1124,7 @@ CHAT_UI.refreshRoomList = function(roomType) {
             default:
         }
     });
-
-    if (CHAT_UI.isLandscapeMode()) {
-        $(".chat_list").removeClass("col-12").addClass("col-6");
-    }
+    
     console.log('DONE');
     CHAT_UI.dismissLoadingIndicator();
 };