Fix rot90 decomposition for no rotation

[isuruf]

Stack from ghstack (oldest at bottom):

• Fix max_pool2d decomposition for empty list and integer limits #129106
• -> Fix rot90 decomposition for no rotation #129097
• Fix scatter lowering when src is a Number #129096

cc @voznesenskym @penguinwu @EikanWang @jgong5 @Guobing-Chen @XiaobingSuper @zhuhaozhe @blzheng @wenzhe-nrv @jiayisunx @peterbell10 @ipiszy @yf225 @chenyang78 @kadeng @muchulee8 @ColinPeppler @amjames @desertfire @chauhang

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/129097

• 📄 Preview Python docs built from this PR
• 📄 Preview C++ docs built from this PR
• ❓ Need help or want to give feedback on the CI? Visit the bot commands wiki or our office hours

Note: Links to docs will display an error until the docs builds have been completed.

✅ You can merge normally! (1 Unrelated Failure)

As of commit dabc758 with merge base 54b0006 ():

FLAKY - The following job failed but was likely due to flakiness present on trunk:

• pull / linux-jammy-py3.8-gcc11 / test (distributed, 2, 2, linux.2xlarge) (gh) (matched linux rule in flaky-rules.json)
  The runner has received a shutdown signal. This can happen when the runner service is stopped, or a manually started runner is canceled.

This comment was automatically generated by Dr. CI and updates every 15 minutes.