### Godot version

4.0.2.stable

### System information

Manjaro Linux 5.15.113-1-MANJARO

### Issue description

When I was trying to figure out #77725 i stumbled upon this:
![image](https://github.com/godotengine/godot/assets/14893831/364b89ce-00b2-4aef-a85e-f10c16936005)

pressing enter results in 
![image](https://github.com/godotengine/godot/assets/14893831/07d53b82-c919-4635-80e2-e1809b6bb11f)


It looks simmilar to #48436 , but it started happening to every code completion and I have absolutely no clue how it happened.

It happened after I moved(using shift+arrow keys to select, tab to indent and alt+arrow keys to move down)  the three dicts in the picture to within the function and added the dict 4.

### Steps to reproduce

Here's roughly what I did 
(might be slightly inaccurate, I was basically messing around to try and see the scope of $77725 when it happened)

1) create an empty script
2) declare a couple of dictionaries
3) declare a function
4) try out code completion within the function
5) create a lambda within the function and try 4) again
6) move the dictionaries' declaration within the function using keyboard shortcuts and try 4)




### Minimal reproduction project

N/A
break;
				}
			}
		}
		set_line_background_color(p_line, theme_cache.folded_code_region_color);
	}
	int in_comment = is_in_comment(p_line);
	int in_string = (in_comment == -1) ? is_in_string(p_line) : -1;
	if (!is_line_code_region_start(p_line)) {
		if (in_string != -1 || in_comment != -1) {
			end_line = get_delimiter_end_position(p_line, get_line(p_line).size() - 1).y;
			
			if (end_line == p_line) {
				for (int i = p_line + 1; i <= line_count; i++) {
					if ((in_string != -1 && is_in_string(i) == -1) || (in_comment != -1 && is_in_comment(i) == -1)) {
						break;
					}
					end_line = i;
				}
			}
		} else {
			int start_indent = get_indent_level(p_line);
			for (int i = p_line + 1; i <= line_count; i++) {
				if (get_line(i).strip_edges().size() == 0) {
					continue;
				}
				if (get_indent_level(i) > start_indent) {
					end_line = i;
					continue;
				}