### Godot version

4.0 beta 10

### System information

Ubuntu 22.04.1 LTS

### Issue description

If your node has `'` in its name, autocomplete might still suggest single quotes which results in an error.

![image](https://user-images.githubusercontent.com/85438892/210971332-81c13316-e7de-4d7d-9b08-f5676bf4c598.png)

![image](https://user-images.githubusercontent.com/85438892/210973393-ba999b6f-650c-461e-8d2d-b6a1a21adb76.png)


### Steps to reproduce

1. Add a child and name it `Juan's pancakes`
2. Add a script and type `$'`

### Minimal reproduction project

N/A
}
					}
					if (!found && base.value.get_type() != Variant::NIL) {
						found = _guess_method_return_type_from_base(c, base, call->function_name, r_type);
					}
				}
			} break;
			case GDScriptParser::Node::SUBSCRIPT: {
				const GDScriptParser::SubscriptNode *subscript = static_cast<const GDScriptParser::SubscriptNode *>(p_expression);
				if (subscript->is_attribute) {
					GDScriptParser::CompletionContext c = p_context;
					c.current_line = subscript->start_line;
					GDScriptCompletionIdentifier base;
					if (!_guess_expression_type(c, subscript->base, base)) {
						found = false;
						break;
					}
					if (base.value.get_type() == Variant::DICTIONARY && base.value.operator Dictionary().has(String(subscript->attribute->name))) {
						Variant value = base.value.operator Dictionary()[String(subscript->attribute->name)];
						r_type = _type_from_variant(value);
						found = true;
						break;
					}
					const GDScriptParser::DictionaryNode *dn = nullptr;
					if (subscript->base->type == GDScriptParser::Node::DICTIONARY) {
						dn = static_cast<const GDScriptParser::DictionaryNode *>(subscript->base);
					} else if (base.assigned_expression && base.assigned_expression->type == GDScriptParser::Node::DICTIONARY) {
						dn = static_cast<const GDScriptParser::DictionaryNode *>(base.assigned_expression);
					}
					if (dn) {