### Godot version

4.2 rc2

### System information

Windows 10.0.19045 - Vulkan (Forward+) - dedicated NVIDIA GeForce GTX 1060 (NVIDIA; 30.0.15.1403) - Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz (8 Threads)

### Issue description


https://github.com/godotengine/godot/assets/2223172/2c1829fa-1dd7-4f5b-b04a-f557ace35b5e

You can either see autocompletion or argument list. It's especially annoying when using e.g. `Input.get_vector()` method which has multiple arguments difficult to remember.

### Steps to reproduce

1. Write `Input.get_vector(`
2. Remove `(`
3. Add `(`

### Minimal reproduction project

N/A
return code_region_start_tag;
}
String CodeEdit::get_code_region_end_tag() const {
	return code_region_end_tag;
}
void CodeEdit::set_code_region_tags(const String &p_start, const String &p_end) {
	ERR_FAIL_COND_MSG(p_start == p_end, "Starting and ending region tags cannot be identical.");
	ERR_FAIL_COND_MSG(p_start.is_empty(), "Starting region tag cannot be empty.");
	ERR_FAIL_COND_MSG(p_end.is_empty(), "Ending region tag cannot be empty.");
	code_region_start_tag = p_start;
	code_region_end_tag = p_end;
	_update_code_region_tags();
}
bool CodeEdit::is_line_code_region_start(int p_line) const {
	ERR_FAIL_INDEX_V(p_line, get_line_count(), false);
	if (code_region_start_string.is_empty()) {
		return false;
	}
	return get_line(p_line).strip_edges().begins_with(code_region_start_string);
}
bool CodeEdit::is_line_code_region_end(int p_line) const {