pdb repeats `w 0` on empty line when there are commands in `cmdqueue`

[gaogaotiantian]

Bug report

Bug description:

If you do a n ;; p 1 in pdb, the next time you entry an empty line (meant for repeat last command), it will repeat w 0 due to #119882. It's supposed to repeat p 1 (arguably n ;; p1 but we never do that). As user never inputs w 0 by their own, the current behavior might not be desired.

CPython versions tested on:

3.12, 3.13, CPython main branch

Operating systems tested on:

No response

Linked PRs

• gh-120769: Add pdb meta command to print frame status. #120770