feat(limits): Handle safe transaction scenarios

[Mo-Hussain]

Description

• Generally handle Safe or Signer transactions properly
• Throw when safe tx service is not available
• Specifically fallback to Signer tx when the expected owner is a safe in the config but the actual owner is the deployer (Signer), this special case occurs post deployment before ownership transfers are applied

Testing

Manual

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Latest commit: 730d5dd

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.11%. Comparing base (eda42a1) to head (730d5dd).
Report is 1 commits behind head on ccip-warp-route.

Additional details and impacted files

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##           ccip-warp-route    #5528   +/-   ##
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  Coverage            77.11%   77.11%           
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  Files                  109      109           
  Lines                 2163     2163           
  Branches               193      193           
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  Hits                  1668     1668           
  Misses                 474      474           
  Partials                21       21           

Components	Coverage Δ
core	87.80% <ø> (ø)
hooks	77.93% <ø> (ø)
isms	81.60% <ø> (ø)
token	91.66% <ø> (ø)
middlewares	79.80% <ø> (ø)