### 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 
pos = brk_end + 1;
			tag_stack.push_front("ol");
		} else if (tag == "ol type=i") {
			indent_level++;
			push_list(indent_level, LIST_ROMAN, false);
			pos = brk_end + 1;
			tag_stack.push_front("ol");
		} else if (tag == "ol type=I") {
			indent_level++;
			push_list(indent_level, LIST_ROMAN, true);
			pos = brk_end + 1;
			tag_stack.push_front("ol");
		} else if (tag == "indent") {
			indent_level++;
			push_indent(indent_level);
			pos = brk_end + 1;
			tag_stack.push_front(tag);
		} else if (tag == "p") {
			push_paragraph(HORIZONTAL_ALIGNMENT_LEFT);
			pos = brk_end + 1;
			tag_stack.push_front("p");
		} else if (tag.begins_with("p ")) {
			Vector<String> subtag = tag.substr(2, tag.length()).split(" ");
			_normalize_subtags(subtag);
			HorizontalAlignment alignment = HORIZONTAL_ALIGNMENT_LEFT;
			Control::TextDirection dir = Control::TEXT_DIRECTION_INHERITED;
			String lang;
			PackedFloat32Array tab_stops;
			TextServer::StructuredTextParser st_parser_type = TextServer::STRUCTURED_TEXT_DEFAULT;
			BitField<TextServer::JustificationFlag> jst_flags = default_jst_flags;