Update toolbar to get new icon/tooltip

After a save-as the footprint belongs to the library, we need to refresh
the toolbar to get the correct icon.

Fixes: lp:1826889
* https://bugs.launchpad.net/kicad/+bug/1826889

pcbnew/footprint_libraries_utils.cpp

@@ -988,6 +988,7 @@ bool FOOTPRINT_EDIT_FRAME::SaveFootprintAs( MODULE* aModule )
     wxString msg = wxString::Format( fmt, footprintName.GetData(), libraryName.GetData() );
     SetStatusText( msg );
     updateTitle();
+    ReCreateHToolbar();
 
     return true;
 }