### 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
MemberNode *mn = alloc_node<MemberNode>();
				mn->basetype = dt;
				mn->basetype_const = is_const;
				mn->datatype = member_type;
				mn->base_struct_name = st;
				mn->struct_name = member_struct_name;
				mn->array_size = array_size;
				mn->name = ident;
				mn->owner = expr;
				mn->has_swizzling_duplicates = repeated;
				if (array_size > 0) {
					TkPos prev_pos = _get_tkpos();
					tk = _get_token();
					if (tk.type == TK_OP_ASSIGN) {
						if (last_type == IDENTIFIER_CONSTANT) {
							_set_error(RTR("Constants cannot be modified."));
							return nullptr;
						}
						Node *assign_expression = _parse_array_constructor(p_block, p_function_info, member_type, member_struct_name, array_size);
						if (!assign_expression) {
							return nullptr;
						}
						mn->assign_expression = assign_expression;
					} else if (tk.type == TK_PERIOD) {
						completion_class = TAG_ARRAY;
						if (p_block != nullptr) {
							p_block->block_tag = SubClassTag::TAG_ARRAY;
						}
						mn->call_expression = _parse_and_reduce_expression(p_block, p_function_info);
						if (p_block != nullptr) {