### Tested versions

- Reproducible in: 4.2.1 Stable
- Testing working functionality in: 4.2 Stable and 4.1 Stable

### System information

Windows 11 - Godot v4.2.1-stable - Vulkan (Forward+)

### Issue description

I have a timer as shown in the attached image. When I tried to drag the timer to the script and use the dot notation to autocomplete the in-built functions of the Timer class, I didn't get suggestions.

While in v4.1 opening the same project gave intellisense.
![image](https://github.com/godotengine/godot/assets/29101013/5e5088d9-8e61-4d4b-a5b4-8deb37cd915b)


### Steps to reproduce

1. Create a Timer
2. Drag and drop in the gdscript editor.
3. Try to invoke the start method.

### Minimal reproduction project (MRP)

[Test DnD.zip](https://github.com/godotengine/godot/files/13658039/Test.DnD.zip)

ClassDB::get_integer_constant(context.current_class->extends[0]->name, p_symbol, &success);
		if (success) {
			r_result.type = ScriptLanguage::LOOKUP_RESULT_CLASS_CONSTANT;
			r_result.class_name = context.current_class->extends[0]->name;
			r_result.class_member = p_symbol;
			return OK;
		}
	}
	bool is_function = false;
	switch (context.type) {
		case GDScriptParser::COMPLETION_BUILT_IN_TYPE_CONSTANT_OR_STATIC_METHOD: {
			if (!Variant::has_builtin_method(context.builtin_type, StringName(p_symbol))) {
				
				r_result.type = ScriptLanguage::LOOKUP_RESULT_CLASS_CONSTANT;
				r_result.class_name = Variant::get_type_name(context.builtin_type);
				r_result.class_member = p_symbol;
				return OK;
			}
			
			GDScriptParser::DataType base_type;
			base_type.kind = GDScriptParser::DataType::BUILTIN;
			base_type.builtin_type = context.builtin_type;
			if (_lookup_symbol_from_base(base_type, p_symbol, true, r_result) == OK) {
				return OK;
			}
		} break;
		case GDScriptParser::COMPLETION_SUPER_METHOD:
		case GDScriptParser::COMPLETION_METHOD: {
			is_function = true;
			[[fallthrough]];