Fix Python debugger hang when python_callable has **context parameter

[AmosG]

Add iter methods to Accessor classes to prevent debugger introspection from triggering infinite loops in getattr.

Issue: #51861

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[potiuk]

You need to fix static checks

[potiuk]

cc: @uranusjr @ashb -> since you were closest to this. I dug a little deeper - and I was thinking that magic/dunder methods are not going through regular getatr calls, so to be honest, so it's pretty strange those recursive behavious are observed here- and I do not particularly like how "specia" the handling is. Maybe you have some more insight into that ?

[AmosG]

i think i found another place that causes this on utils/context.py on getattr would amend the pr