Fix `EditorFileDialog` clears the file name on changing directory

Fixes issues with assigning a name for files being saved

editor/gui/editor_file_dialog.cpp

@@ -264,17 +264,17 @@ void EditorFileDialog::update_dir() {
 	}
 	dir->set_text(dir_access->get_current_dir(false));
 
-	file->set_text("");
-
 	// Disable "Open" button only when selecting file(s) mode.
 	get_ok_button()->set_disabled(_is_open_should_be_disabled());
 	switch (mode) {
 		case FILE_MODE_OPEN_FILE:
 		case FILE_MODE_OPEN_FILES:
+			file->set_text("");
 			set_ok_button_text(TTR("Open"));
 			break;
 		case FILE_MODE_OPEN_ANY:
 		case FILE_MODE_OPEN_DIR:
+			file->set_text("");
 			set_ok_button_text(TTR("Select Current Folder"));
 			break;
 		case FILE_MODE_SAVE_FILE: