Bug: entering text in new empty line of list causes previous one to take the text and another

[AndroidDeveloperLB]

Steps:

have list.
put text on first row.
on next row, press backspace, to disable the list for this row.
type.

The bug:
The new text is shown on previous line, and it also duplicates the first letter of it.

See attached video.
device-2018-03-25-153115.zip