gh-102832: IDLE - remove use of deprecated sys.last_xyzs for stackviewer (GH-103339)
(cherry picked from commit 3ee921d84f)
Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
Part 3 of 3, continuing PR #7689. This covers 14 idlelib modules and their tests,
rpc to zoomheight except for run (already done) and tooltip (being done separately).