Typing inline code on two lines causes glitchy behavior

[bentsai]

I tried typing this in a card:

`code`
`code`

As soon as I typed that last back tick, the card disappeared. But if I click on the canvas, the card then appears. In the console, I see this:

(first reported by tired in discord)

[bentsai]

This happens on iOS too.

[pirijan]

fix released