### 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
completion_base_array = uniform.array_size > 0;
						
						do {
							tk = _get_token();
							completion_line = tk.line;
							if (!is_token_hint(tk.type)) {
								_set_error(RTR("Expected valid type hint after ':'."));
								return ERR_PARSE_ERROR;
							}
							if (uniform.array_size > 0) {
								if (tk.type != TK_HINT_SOURCE_COLOR) {
									_set_error(RTR("This hint is not supported for uniform arrays."));
									return ERR_PARSE_ERROR;
								}
							}
							ShaderNode::Uniform::Hint new_hint = ShaderNode::Uniform::HINT_NONE;
							TextureFilter new_filter = FILTER_DEFAULT;
							TextureRepeat new_repeat = REPEAT_DEFAULT;
							switch (tk.type) {
								case TK_HINT_SOURCE_COLOR: {
									if (type != TYPE_VEC3 && type != TYPE_VEC4 && !is_sampler_type(type)) {
										_set_error(vformat(RTR("Source color hint is for '%s', '%s' or sampler types only."), "vec3", "vec4"));
										return ERR_PARSE_ERROR;
									}
									if (is_sampler_type(type)) {
										if (uniform.use_color) {
											_set_error(vformat(RTR("Duplicated hint: '%s'."), "source_color"));
											return ERR_PARSE_ERROR;
										}
										uniform.use_color = true;