[mssql] Fix never ending schema refreshing icon in browser

Author: nyalldawson

src/providers/mssql/qgsmssqldataitems.cpp

@@ -257,7 +257,11 @@ QVector<QgsDataItem *> QgsMssqlConnectionItem::createChildren()
     }
     else
     {
-      //set all as populated
+      //set all as populated -- we also need to do this for newly created items, because they won't yet be children of this item
+      for ( QgsDataItem *child : qgis::as_const( children ) )
+      {
+        child->setState( Populated );
+      }
       setAsPopulated();
     }
   }