chore: reduce data needed for sol get block

[albert-llimos]

Checklist

Please conduct a thorough self-review before opening the PR.

• I am confident that the code works.
• I have written sufficient tests.
• I have written and tested required migrations.
• I have updated documentation where appropriate.

Summary

According to the docs when not passing those parameters (Rust's None) it doesn't default to those. Setting them prevents the call to get the rewards and more importantly the transaction data which we don't need.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 72%. Comparing base (8e1619a) to head (e5ab94e).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
engine/src/witness/sol.rs	0%	2 Missing ⚠️

Additional details and impacted files

@@          Coverage Diff           @@
##            main   #5428    +/-   ##
======================================
- Coverage     72%     72%    -0%     
======================================
  Files        490     490            
  Lines      86892   86770   -122     
  Branches   86892   86770   -122     
======================================
- Hits       62395   62211   -184     
- Misses     21563   21618    +55     
- Partials    2934    2941     +7     

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