Editing as message breaks the bullets hierarchy

[AmandineLP]

I was applying manual bullets to a long list of existing text, including 2 and 3 level deep ones. Fat fingers meant I sent the message before it was finished, so edited it and then the hierarchy was gone

[bwindels]

Oh, yeah, the html > md converter for the editing editor doesn't prepend whitespace yet to list items depending on the nesting level.