### 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 (get_selection_to_column(c) == 0) {
				selection_offset = 0;
				end_line--;
			}
		}
		for (int i = start_line; i <= end_line; i++) {
			const String line_text = get_line(i);
			if (line_text.size() == 0 && has_selection(c)) {
				continue;
			}
			if (!indent_using_spaces) {
				set_line(i, '\t' + line_text);
				continue;
			}
			
			
			int spaces_to_add = _calculate_spaces_till_next_right_indent(get_first_non_whitespace_column(i));
			set_line(i, String(" ").repeat(spaces_to_add) + line_text);
			selection_offset = spaces_to_add;
		}
		
		if (has_selection(c)) {
			select(start_line, get_selection_from_column(c) + selection_offset, get_selection_to_line(c), get_selection_to_column(c) + selection_offset, c);
		}
		set_caret_column(get_caret_column(c) + selection_offset, false, c);
	}
	end_complex_operation();
	queue_redraw();
}
void CodeEdit::unindent_lines() {