### 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)

if (_debug_parse_err_line >= 0) {
		return "";
	}
	ERR_FAIL_INDEX_V(p_level, _call_stack.stack_pos, "");
	int l = _call_stack.stack_pos - p_level - 1;
	return _call_stack.levels[l].function->get_name();
}
String GDScriptLanguage::debug_get_stack_level_source(int p_level) const {
	if (_debug_parse_err_line >= 0) {
		return _debug_parse_err_file;
	}
	ERR_FAIL_INDEX_V(p_level, _call_stack.stack_pos, "");
	int l = _call_stack.stack_pos - p_level - 1;
	return _call_stack.levels[l].function->get_source();
}
void GDScriptLanguage::debug_get_stack_level_locals(int p_level, List<String> *p_locals, List<Variant> *p_values, int p_max_subitems, int p_max_depth) {
	if (_debug_parse_err_line >= 0) {
		return;
	}
	ERR_FAIL_INDEX(p_level, _call_stack.stack_pos);
	int l = _call_stack.stack_pos - p_level - 1;
	GDScriptFunction *f = _call_stack.levels[l].function;
	List<Pair<StringName, int>> locals;
	f->debug_get_stack_member_state(*_call_stack.levels[l].line, &locals);
	for (const Pair<StringName, int> &E : locals) {
		p_locals->push_back(E.first);
		p_values->push_back(_call_stack.levels[l].stack[E.second]);
	}
}
void GDScriptLanguage::debug_get_stack_level_members(int p_level, List<String> *p_members, List<Variant> *p_values, int p_max_subitems, int p_max_depth) {