### 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
GDScriptParser::CompletionContext c = p_context;
					c.current_line = call->start_line;
					GDScriptParser::Node::Type callee_type = call->get_callee_type();
					GDScriptCompletionIdentifier base;
					if (callee_type == GDScriptParser::Node::IDENTIFIER || call->is_super) {
						
						if (p_context.current_class) {
							if (call->is_super) {
								base.type = p_context.current_class->base_type;
								base.value = p_context.base;
							} else {
								base.type.kind = GDScriptParser::DataType::CLASS;
								base.type.type_source = GDScriptParser::DataType::INFERRED;
								base.type.is_constant = true;
								base.type.class_type = p_context.current_class;
								base.value = p_context.base;
							}
						} else {
							break;
						}
					} else if (callee_type == GDScriptParser::Node::SUBSCRIPT && static_cast<const GDScriptParser::SubscriptNode *>(call->callee)->is_attribute) {
						if (!_guess_expression_type(c, static_cast<const GDScriptParser::SubscriptNode *>(call->callee)->base, base)) {
							found = false;
							break;
						}
					} else {
						break;
					}
					
					if (base.type.is_constant && base.value.get_type() == Variant::OBJECT) {