### 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 
if (column == col_count - 1 || E->next() == nullptr) {
						offset.x = 0;
						row_height += theme_cache.table_v_separation;
						table->total_height += row_height;
						offset.y += row_height;
						table->rows.push_back(row_height);
						table->rows_baseline.push_back(table->total_height - row_height + row_baseline);
						row_height = 0;
					}
					idx++;
				}
				int row_idx = (table->align_to_row < 0) ? table->rows_baseline.size() - 1 : table->align_to_row;
				if (table->rows_baseline.size() != 0 && row_idx < (int)table->rows_baseline.size() - 1) {
					l.text_buf->add_object((uint64_t)it, Size2(table->total_width, table->total_height), table->inline_align, t_char_count, Math::round(table->rows_baseline[row_idx]));
				} else {
					l.text_buf->add_object((uint64_t)it, Size2(table->total_width, table->total_height), table->inline_align, t_char_count);
				}
				txt += String::chr(0xfffc).repeat(t_char_count);
			} break;
			default:
				break;
		}
	}
	
	l.text_buf->set_bidi_override(structured_text_parser(_find_stt(l.from), st_args, txt));
	*r_char_offset = l.char_offset + l.char_count;
	l.offset.y = p_h;
	return _calculate_line_vertical_offset(l);
}
int RichTextLabel::_draw_line(ItemFrame *p_frame, int p_line, const Vector2 &p_ofs, int p_width, const Color &p_base_color, int p_outline_size, const Color &p_outline_color, const Color &p_font_shadow_color, int p_shadow_outline_size, const Point2 &p_shadow_ofs, int &r_processed_glyphs) {