Render metatile/collision views by tab

include/mainwindow.h

@@ -351,6 +351,8 @@ private:
     bool userSetMap(QString);
     void redrawMapScene();
     void refreshMapScene();
+    void refreshMetatileViews();
+    void refreshCollisionSelector();
     void setLayoutOnlyMode(bool layoutOnly);
 
     bool checkProjectSanity();