### 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.
last_assign_line = local.constant->initializer->end_line;
						last_assigned_expression = local.constant->initializer;
					}
					break;
				case GDScriptParser::SuiteNode::Local::PARAMETER:
					if (local.parameter->initializer) {
						last_assign_line = local.parameter->initializer->end_line;
						last_assigned_expression = local.parameter->initializer;
					}
					is_function_parameter = true;
					break;
				default:
					break;
			}
		}
	}
	while (suite) {
		for (int i = 0; i < suite->statements.size(); i++) {
			if (suite->statements[i]->end_line >= p_context.current_line) {
				break;
			}
			switch (suite->statements[i]->type) {
				case GDScriptParser::Node::ASSIGNMENT: {
					const GDScriptParser::AssignmentNode *assign = static_cast<const GDScriptParser::AssignmentNode *>(suite->statements[i]);
					if (assign->end_line > last_assign_line && assign->assignee && assign->assigned_value && assign->assignee->type == GDScriptParser::Node::IDENTIFIER) {
						const GDScriptParser::IdentifierNode *id = static_cast<const GDScriptParser::IdentifierNode *>(assign->assignee);
						if (id->name == p_identifier) {
							last_assign_line = assign->assigned_value->end_line;
							last_assigned_expression = assign->assigned_value;
						}