### Godot version

4.0 dev_build

### System information

Ubuntu 22.04.1

### Issue description

The "Lookup Symbol" button don't appears for custorm class names.
Related issues: #68475,  #73167.
I tried apply #68311, #69473 and #73196. It don't helps.
The `Ctrl+LMB` works right for all cases.

### Steps to reproduce

Right click to the `CustomClassA` symbol in the `custom_class_b.gd` anywhere. The `Lookup Symbol` button don't appears in the context menu.

### Minimal reproduction project

Example from  #68475.
case EDIT_TOGGLE_WORD_WRAP: {
			TextEdit::LineWrappingMode wrap = code_editor->get_text_editor()->get_line_wrapping_mode();
			code_editor->get_text_editor()->set_line_wrapping_mode(wrap == TextEdit::LINE_WRAPPING_BOUNDARY ? TextEdit::LINE_WRAPPING_NONE : TextEdit::LINE_WRAPPING_BOUNDARY);
		} break;
		case SEARCH_FIND: {
			code_editor->get_find_replace_bar()->popup_search();
		} break;
		case SEARCH_FIND_NEXT: {
			code_editor->get_find_replace_bar()->search_next();
		} break;
		case SEARCH_FIND_PREV: {
			code_editor->get_find_replace_bar()->search_prev();
		} break;
		case SEARCH_REPLACE: {
			code_editor->get_find_replace_bar()->popup_replace();
		} break;
		case SEARCH_IN_FILES: {
			String selected_text = tx->get_selected_text();
			
			
			emit_signal(SNAME("search_in_files_requested"), selected_text);
		} break;
		case REPLACE_IN_FILES: {
			String selected_text = tx->get_selected_text();
			emit_signal(SNAME("replace_in_files_requested"), selected_text);
		} break;
		case SEARCH_LOCATE_FUNCTION: {
			quick_open->popup_dialog(get_functions());
			quick_open->set_title(TTR("Go to Function"));
		} break;