### 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.
return true;
				}
				return false;
			} break;
			default: {
				return false;
			} break;
		}
	}
	return false;
}
static void _find_last_return_in_block(GDScriptParser::CompletionContext &p_context, int &r_last_return_line, const GDScriptParser::ExpressionNode **r_last_returned_value) {
	if (!p_context.current_suite) {
		return;
	}
	for (int i = 0; i < p_context.current_suite->statements.size(); i++) {
		if (p_context.current_suite->statements[i]->start_line < r_last_return_line) {
			break;
		}
		GDScriptParser::CompletionContext c = p_context;
		switch (p_context.current_suite->statements[i]->type) {
			case GDScriptParser::Node::FOR:
				c.current_suite = static_cast<const GDScriptParser::ForNode *>(p_context.current_suite->statements[i])->loop;
				_find_last_return_in_block(c, r_last_return_line, r_last_returned_value);
				break;
			case GDScriptParser::Node::WHILE:
				c.current_suite = static_cast<const GDScriptParser::WhileNode *>(p_context.current_suite->statements[i])->loop;
				_find_last_return_in_block(c, r_last_return_line, r_last_returned_value);
				break;
			case GDScriptParser::Node::IF: {