### Godot version

4.0.3

### System information

Win7

### Issue description

![image](https://github.com/godotengine/godot/assets/28286958/abec9d3c-e078-424c-9430-d9fe8897aad6)


### Steps to reproduce

1. Create shader
2. Add uint with hex, e.g. 0xffffu

### Minimal reproduction project

N/A
idx++;
			}
		} else if (GETCHAR(0) == '/' && GETCHAR(1) == '*') {
			idx += 2;
			while (true) {
				if (GETCHAR(0) == 0) {
					return 0;
				}
				if (GETCHAR(0) == '*' && GETCHAR(1) == '/') {
					idx += 2;
					break; 
				}
				idx++;
			}
		} else {
			switch (GETCHAR(0)) {
				case ' ':
				case '\t':
				case '\r':
				case '\n': {
					idx++;
				} break; 
				default:
					return idx;
			}
		}
	}
#undef GETCHAR
}
String ShaderLanguage::get_shader_type(const String &p_code) {