### 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
break;
									}
									if (!color_symbols.has(c[i])) {
										color_symbols.insert(c[i]);
									} else {
										repeated = true;
									}
									break;
								case 'x':
								case 'y':
								case 'z':
									if (color_symbols.size() > 0 || texture_symbols.size() > 0) {
										mix_error = true;
										break;
									}
									if (!position_symbols.has(c[i])) {
										position_symbols.insert(c[i]);
									} else {
										repeated = true;
									}
									break;
								case 's':
								case 't':
								case 'p':
									if (color_symbols.size() > 0 || position_symbols.size() > 0) {
										mix_error = true;
										break;
									}
									if (!texture_symbols.has(c[i])) {
										texture_symbols.insert(c[i]);