Note list: Note preview in "expanded" duplicates first line of note if note starts with newlines

I had a note named "3". I hit enter a few times at the top of the note to remove the title. I ended up with the following:

Deleting the newlines at the beginning of the note fixes the preview:

There's a height bug here as well which might be related:

Reproduced in Electron and Firefox/OSX.

Reproduce the issue in the note list's expanded preview using a note that begins with several newlines, in Electron or Firefox on macOS. Inspect the note preview rendering and its height behavior; done means the first line is not duplicated and the preview height is correct without leading-newline workarounds.

Written by the indexing model from the issue text.