update player map markers when client changes cell

apps/openmw/mwgui/mapwindow.cpp

@@ -458,6 +458,15 @@ namespace MWGui
 
         updateMagicMarkers();
         updateCustomMarkers();
+        /*
+            Start of tes3mp addition
+
+            Update player markers when cell changes to fix their locations
+        */
+        updatePlayerMarkers();
+        /*
+            End of tes3mp addition
+        */
     }
 
     void LocalMapBase::requestMapRender(const MWWorld::CellStore *cell)