### 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
if (k->is_action("ui_page_up", true)) {
			code_completion_current_selected = MAX(0, code_completion_current_selected - theme_cache.code_completion_max_lines);
			code_completion_force_item_center = -1;
			queue_redraw();
			accept_event();
			return;
		}
		if (k->is_action("ui_page_down", true)) {
			code_completion_current_selected = MIN(code_completion_options.size() - 1, code_completion_current_selected + theme_cache.code_completion_max_lines);
			code_completion_force_item_center = -1;
			queue_redraw();
			accept_event();
			return;
		}
		if (k->is_action("ui_text_caret_line_start", true) || k->is_action("ui_text_caret_line_end", true)) {
			cancel_code_completion();
		}
		if (k->is_action("ui_text_completion_replace", true) || k->is_action("ui_text_completion_accept", true)) {
			confirm_code_completion(k->is_action("ui_text_completion_replace", true));
			accept_event();
			return;
		}
		if (k->is_action("ui_cancel", true)) {
			cancel_code_completion();
			accept_event();
			return;
		}
		if (k->is_action("ui_text_backspace", true)) {
			backspace();
			_filter_code_completion_candidates_impl();