Don't be too strict with func_args longer than symbol.children

[agriyakhetarpal]

Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context.

Fixes #5273

Type of change

Please add a line in the relevant section of CHANGELOG.md to document the change (include PR #)

Important checks:

Please confirm the following before marking the PR as ready for review:

• No style issues: nox -s pre-commit
• All tests pass: nox -s tests
• The documentation builds: nox -s doctests
• Code is commented for hard-to-understand areas
• Tests added that prove fix is effective or that feature works

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.77%. Comparing base (af64ddd) to head (eda4ebe).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #5274   +/-   ##
========================================
  Coverage    98.77%   98.77%           
========================================
  Files          321      321           
  Lines        27727    27729    +2     
========================================
+ Hits         27387    27389    +2     
  Misses         340      340           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[valentinsulzer]

thanks very much!