interpreter: (memref_stream) add interpreter support for imperfect nesting

[superlopuh]

This makes it a little easier to test for miscompilations in our flow from linalg to snitch

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.92%. Comparing base (486c6ad) to head (5e10589).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2743      +/-   ##
==========================================
- Coverage   89.94%   89.92%   -0.03%     
==========================================
  Files         367      367              
  Lines       47276    47335      +59     
  Branches     7227     7237      +10     
==========================================
+ Hits        42523    42566      +43     
- Misses       3641     3658      +17     
+ Partials     1112     1111       -1     

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

[PapyChacal]

Code looks good to me, I'm gonna trust you on the semantics!