### Godot version

4.2 (c5da2e54fe50cad34b5f93fa10538978b33af88d)

### System information

Windows 11

### Issue description

Attempting to run a scene with the following script report Identifier not found error:

![image](https://github.com/godotengine/godot/assets/3036176/3a63b930-0588-499d-80a2-4f88f5f07116)

This does not happen on 4.1.1 so this is a regression.

### Steps to reproduce

Create a script derived from Control and try to get access to the mouse_entered signal.

### Minimal reproduction project

[TestBug.zip](https://github.com/godotengine/godot/files/12237764/TestBug.zip)

GDScriptDataType static_var_data_type;
				StringName var_name;
				StringName member_property_setter_function;
				List<const GDScriptParser::SubscriptNode *> chain;
				{
					
					const GDScriptParser::SubscriptNode *n = subscript;
					while (true) {
						chain.push_back(n);
						if (n->base->type != GDScriptParser::Node::SUBSCRIPT) {
							
							if (n->base->type == GDScriptParser::Node::IDENTIFIER) {
								GDScriptParser::IdentifierNode *identifier = static_cast<GDScriptParser::IdentifierNode *>(n->base);
								var_name = identifier->name;
								if (_is_class_member_property(codegen, var_name)) {
									assign_class_member_property = var_name;
								} else if (!_is_local_or_parameter(codegen, var_name)) {
									if (codegen.script->member_indices.has(var_name)) {
										is_member_property = true;
										is_static = false;
										const GDScript::MemberInfo &minfo = codegen.script->member_indices[var_name];
										member_property_setter_function = minfo.setter;
										member_property_has_setter = member_property_setter_function != StringName();
										member_property_is_in_setter = member_property_has_setter && member_property_setter_function == codegen.function_name;
										target_member_property.mode = GDScriptCodeGenerator::Address::MEMBER;
										target_member_property.address = minfo.index;
										target_member_property.type = minfo.data_type;
									} else {
										
										GDScript *scr = codegen.script;