check the init args only when the given frames are in __init__ method.

[GdoongMathew]

What does this PR do?

Fixes #20697
Fixes #18405

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---

📚 Documentation preview 📚: https://pytorch-lightning--21227.org.readthedocs.build/en/21227/

[GdoongMathew]

Description updated. This PR should also fix #18405 as well.

[deependujha]

Let’s hold off on updating this branch until the bug is fixed

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79%. Comparing base (a7cb33a) to head (e99444e).
⚠️ Report is 6 commits behind head on master.
✅ All tests successful. No failed tests found.

❗ There is a different number of reports uploaded between BASE (a7cb33a) and HEAD (e99444e). Click for more details.

HEAD has 103 uploads less than BASE

Flag	BASE (a7cb33a)	HEAD (e99444e)
cpu	52	27
python	6	3
lightning_fabric	12	0
pytest	27	0
python3.10	12	6
lightning	29	15
python3.11	12	6
python3.12.7	16	9
python3.12	6	3

Additional details and impacted files

@@            Coverage Diff            @@
##           master   #21227     +/-   ##
=========================================
- Coverage      87%      79%     -8%     
=========================================
  Files         269      266      -3     
  Lines       23708    23653     -55     
=========================================
- Hits        20536    18638   -1898     
- Misses       3172     5015   +1843