Reload CM when things go south

[pankgeorg]

Mitigation for https://github.com/fonsp/Pluto.jl/issues/1913 You'll loose unsaved changes (until https://github.com/fonsp/Pluto.jl/pull/1729 is in) (and your cursor) but the page won't crash (hopefully)

[github-actions[bot]]

Try this Pull Request!

Open Julia and type:

julia> import Pkg
julia> Pkg.activate(temp=true)
julia> Pkg.add(url="https://github.com/fonsp/Pluto.jl", rev="defend-parseMixed")
julia> using Pluto

[fonsp]

@pankgeorg Let's revive this PR? Seems nice to have

[pankgeorg]

@pankgeorg Let's revive this PR? Seems nice to have

Yeap, let's! I think it's ready to go!

[fonsp]

@pankgeorg can you update this branch from main (is the preact import still up-to-date?), test one more time and merge?

[pankgeorg]

Looks great, merging!