### Godot version

master ([06ccbfe](https://github.com/godotengine/godot/commit/06ccbfe8eec6e840db3df2360dc2804386f940b8))

### System information

PopOS 22.04

### Issue description

Sometimes the doc page is broken when the engine is closed and then restarted.
Closing the doc and opening it again fixes it.

![2023-05-27_22-15](https://github.com/godotengine/godot/assets/3624853/ed202a55-03e8-420a-bc1c-ccfc7f7cd02a)


### Steps to reproduce

- Open a documentation page for any node
- Restart Godot

### Minimal reproduction project

NA

EDIT : Added the commit hash @Calinou 
after_list_open_tag = false;
			if (tag == "/ol" || tag == "/ul") {
				if (!txt.is_empty()) {
					
					
					if (!txt.ends_with("\n")) {
						txt += "\n";
					}
				} else if (!after_list_close_tag) {
					txt = "\n"; 
				}
				after_list_close_tag = true;
			} else {
				after_list_close_tag = false;
			}
			if (!txt.is_empty()) {
				add_text(txt);
			}
			tag_stack.pop_front();
			pos = brk_end + 1;
			if (tag != "/img" && tag != "/dropcap") {
				pop();
			}
			continue;
		}
		if (tag == "ol" || tag.begins_with("ol ") || tag == "ul" || tag.begins_with("ul ")) {
			if (txt.is_empty() && after_list_open_tag) {
				txt = "\n"; 
			}
			after_list_open_tag = true;