FileManager: Call on_selection_change with the correct view

Author: https://github.com/supex0fan
Commit: https://github.com/SerenityOS/serenity/commit/99e301510ea
Pull-request: https://github.com/SerenityOS/serenity/pull/4284
Issue: https://github.com/SerenityOS/serenity/issues/4185
Reviewed-by: https://github.com/awesomekling

Applications/FileManager/DirectoryView.cpp

@@ -483,7 +483,7 @@ void DirectoryView::handle_selection_change()
     m_force_delete_action->set_enabled(can_delete);
 
     if (on_selection_change)
-        on_selection_change(*m_table_view);
+        on_selection_change(current_view());
 }
 
 void DirectoryView::setup_actions()