### 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.
line_meta["method"] = name;
				line_meta["base_class"] = found_base_class;
				text_edit->set_line_gutter_icon(line, connection_gutter, get_parent_control()->get_theme_icon(SNAME("MethodOverride"), SNAME("EditorIcons")));
				text_edit->set_line_gutter_clickable(line, connection_gutter, true);
			} else {
				
				text_edit->set_line_gutter_icon(line, connection_gutter, get_parent_control()->get_theme_icon(SNAME("MethodOverrideAndSlot"), SNAME("EditorIcons")));
			}
			methods_found.insert(name);
		}
	}
}
void ScriptTextEditor::_update_gutter_indexes() {
	for (int i = 0; i < code_editor->get_text_editor()->get_gutter_count(); i++) {
		if (code_editor->get_text_editor()->get_gutter_name(i) == "connection_gutter") {
			connection_gutter = i;
			continue;
		}
		if (code_editor->get_text_editor()->get_gutter_name(i) == "line_numbers") {
			line_number_gutter = i;
			continue;
		}
	}
}
void ScriptTextEditor::_gutter_clicked(int p_line, int p_gutter) {
	if (p_gutter != connection_gutter) {
		return;
	}
	Dictionary meta = code_editor->get_text_editor()->get_line_gutter_metadata(p_line, p_gutter);
	String type = meta.get("type", "");