fix: storage updates must include non empty updates

[nimrod-starkware]

This change is 

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 77.77778% with 2 lines in your changes missing coverage. Please review.

Project coverage is 61.46%. Comparing base (24f214e) to head (5f603de).

Files	Patch %	Lines
crates/committer_cli/src/parse_input/cast.rs	77.77%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #195      +/-   ##
==========================================
- Coverage   61.47%   61.46%   -0.02%     
==========================================
  Files          36       36              
  Lines        1612     1614       +2     
  Branches     1612     1614       +2     
==========================================
+ Hits          991      992       +1     
- Misses        571      572       +1     
  Partials       50       50              

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[nimrod-starkware]

Reviewable status: 0 of 1 files reviewed, 1 unresolved discussion (waiting on @dorimedini-starkware)

a discussion (no related file):
python side PR

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