PCB_POINT_EDITOR: fix missing init of PAD pos0 after changing

(From Master branch)

pcbnew/tools/pcb_point_editor.cpp

@@ -1279,6 +1279,7 @@ void PCB_POINT_EDITOR::updateItem() const
 
                 pad->SetSize( padSize );
                 pad->SetPosition( wxPoint( ( left + right ) / 2, ( top + bottom ) / 2 ) );
+                pad->SetLocalCoord();
             }
         }
             break;