Bug!? Joplin crashed when input the below code of Gitgraph with one error:

Plugins
1

Bug!? Joplin crashed when input the below code of Gitgraph with one error:

```mermaid
gitGraph:
options
{
    "nodeSpacing": 150,
    "nodeRadius": 10
}
end
commit
branch newbranch1
checkout newbranch
commit
commit
checkout master
commit
commit
merge newbranch

=======

> https://mermaid-js.github.io/mermaid-live-editor/

The tab of Code crashed also on this webpage, no way to input any code in code editor.

> Loading Monaco Editor failed. Please try refreshing the page.
2

GitGraph is experimental and buggy, and shouldn't be used actually, but unfortunately we cannot disable it.