Make sure script cache is created after reimport

(cherry picked from commit 680ed7f612b0a448aab6d574cbd68124ea0c9e55)

editor/editor_file_system.cpp

@@ -2328,6 +2328,7 @@ void EditorFileSystem::reimport_files(const Vector<String> &p_files) {
 	ResourceUID::get_singleton()->update_cache(); // After reimporting, update the cache.
 
 	_save_filesystem_cache();
+	_update_pending_script_classes();
 	importing = false;
 	if (!is_scanning()) {
 		emit_signal(SNAME("filesystem_changed"));