fix: storage optimization in xcall

[gcranju]

Description:

Commit Message

fix: storage optimization in xcall

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Changelog Entry

version: <log entry>

Checklist:

• I have performed a self-review of my own code
• I have documented my code in accordance with the documentation guidelines
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• I have run the unit tests
• I only have one commit (if not, squash them into one commit).
• I have a descriptive commit message that adheres to the commit message guidelines

Please review the CONTRIBUTING.md file for detailed contributing guidelines.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.24%. Comparing base (2a357b9) to head (5f7cb9c).
Report is 4 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #418      +/-   ##
============================================
- Coverage     89.60%   89.24%   -0.37%     
  Complexity       77       77              
============================================
  Files            43       43              
  Lines          2781     2939     +158     
  Branches         37       37              
============================================
+ Hits           2492     2623     +131     
- Misses          272      299      +27     
  Partials         17       17              

Flag	Coverage Δ
solidity	87.88% <ø> (-1.28%)	⬇️

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see 8 files with indirect coverage changes

[AntonAndell]

LGTM, assuming there is not any unexpected issues in migration