### 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
ERR_FAIL_INDEX_V(p_delimiter_idx, delimiters.size(), "");
	return delimiters[p_delimiter_idx].end_key;
}
Point2 CodeEdit::get_delimiter_start_position(int p_line, int p_column) const {
	if (delimiters.size() == 0) {
		return Point2(-1, -1);
	}
	ERR_FAIL_INDEX_V(p_line, get_line_count(), Point2(-1, -1));
	ERR_FAIL_COND_V(p_column - 1 > get_line(p_line).size(), Point2(-1, -1));
	Point2 start_position;
	start_position.y = -1;
	start_position.x = -1;
	bool in_region = ((p_line <= 0 || delimiter_cache[p_line - 1].size() < 1) ? -1 : delimiter_cache[p_line - 1].back()->get()) != -1;
	
	for (const KeyValue<int, int> &E : delimiter_cache[p_line]) {
		if (E.key > p_column) {
			break;
		}
		in_region = E.value != -1;
		start_position.x = in_region ? E.key : -1;
	}
	
	int line_length = get_line(p_line).length();
	if (start_position.x != -1 && line_length > 0 && start_position.x != line_length + 1) {
		start_position.y = p_line;
		return start_position;
	}
	
	if (!in_region) {
		return start_position;