### 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.
for (int i = 0; i < get_line_count(); i++) {
		fold_line(i);
	}
	queue_redraw();
}
void CodeEdit::unfold_all_lines() {
	_unhide_all_lines();
}
void CodeEdit::toggle_foldable_line(int p_line) {
	ERR_FAIL_INDEX(p_line, get_line_count());
	if (is_line_folded(p_line)) {
		unfold_line(p_line);
		return;
	}
	fold_line(p_line);
}
bool CodeEdit::is_line_folded(int p_line) const {
	ERR_FAIL_INDEX_V(p_line, get_line_count(), false);
	return p_line + 1 < get_line_count() && !_is_line_hidden(p_line) && _is_line_hidden(p_line + 1);
}
TypedArray<int> CodeEdit::get_folded_lines() const {