### Godot version

4.1.0

### System information

Windows 10, i711800H, Forward+ Vulkan

### Issue description

When using @export_group("Name") in a BaseClass, then inheriting from that BaseClass in another class and there also using @export_group("Name"), with the same group name, then running the project and re-saving the inherited class the project crashes with 
```
ERROR: FATAL: Index p_index = 3 is out of bounds (size() = 3).
   at: get (./core/templates/cowdata.h:155)
```

sometimes the editor crashes too after a while.

### Steps to reproduce

1. open reproduction project
2. Run the project.
3. Open the "super"script
4. Press CTRL + S to save it.

### Minimal reproduction project

[MRP_.zip](https://github.com/godotengine/godot/files/12137412/MRP_.zip)

func_args.clear();
				func_args.push_back(pattern_key_addr);
				codegen.generator->write_call(result_addr, p_value_addr, "has", func_args);
				if (element.value_pattern != nullptr) {
					
					codegen.generator->write_and_left_operand(result_addr);
					
					codegen.generator->write_get(element_addr, pattern_key_addr, p_value_addr);
					
					func_args.clear();
					func_args.push_back(element_addr);
					codegen.generator->write_call_utility(element_type_addr, "typeof", func_args);
					
					result_addr = _parse_match_pattern(codegen, r_error, element.value_pattern, element_addr, element_type_addr, result_addr, false, true);
					if (r_error != OK) {
						return GDScriptCodeGenerator::Address();
					}
					codegen.generator->write_and_right_operand(result_addr);
					codegen.generator->write_end_and(result_addr);
				}
				codegen.generator->write_and_right_operand(result_addr);
				codegen.generator->write_end_and(result_addr);
				
				if (pattern_key_addr.mode == GDScriptCodeGenerator::Address::TEMPORARY) {
					codegen.generator->pop_temporary();
				}
			}
			
			codegen.generator->pop_temporary();
			codegen.generator->pop_temporary();