* fix(app): stabilize native composer sizing after edits
* test(app): verify workspace composer space after keyboard dismissal
* test(app): start the hold-to-delete regression mid-draft
From the end of the draft the pre-fix input also returns to baseline. Placing the cursor
eight lines into the draft before the first hold-delete leaves the old build at the
capped height with the placeholder visible, and the fixed build at one line.