refactor: simplify state-reader iteration

[giladchase]

prepare_compiled_contract_classes should know about stuff it isn't using.

---

This change is 

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.51%. Comparing base (7c08d83) to head (dda77f6).
Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #453      +/-   ##
==========================================
+ Coverage   82.89%   83.51%   +0.61%     
==========================================
  Files          37       37              
  Lines        1719     1771      +52     
  Branches     1719     1771      +52     
==========================================
+ Hits         1425     1479      +54     
+ Misses        217      213       -4     
- Partials       77       79       +2     

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

[Yael-Starkware]

Reviewable status: 0 of 1 files reviewed, 1 unresolved discussion (waiting on @ArniStarkware and @giladchase)

---

-- commits line 5 at r1:
I think this was your intention.

Suggestion:

  `prepare_compiled_contract_classes` shouldn't know about stuff it
  isn't using.

[giladchase]

Reviewable status: 0 of 1 files reviewed, 1 unresolved discussion (waiting on @ArniStarkware and @Yael-Starkware)

---

-- commits line 5 at r1:

Previously, Yael-Starkware (YaelD) wrote…

I think this was your intention.

Done.

[Yael-Starkware]

Reviewed 1 of 1 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @ArniStarkware)