fix(contracts): check for sufficient msgValue for AggregationHook

[aroralanuk]

Description

• fixes misuse of aggregation hook funds for relaying messages by making sure msg.value is adequate and refunding if excess.

Drive-by changes

• None

Related issues

• related to Support overpayment refunds in hooks #3437

Backward compatibility

No, needs new deployments of aggregationHooks

Testing

Unit

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⚠️ No Changeset found

Latest commit: f8d83ed

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.94%. Comparing base (46044a2) to head (f8d83ed).
Report is 9 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4673      +/-   ##
==========================================
+ Coverage   73.85%   73.94%   +0.09%     
==========================================
  Files         100      100              
  Lines        1423     1428       +5     
  Branches      181      182       +1     
==========================================
+ Hits         1051     1056       +5     
  Misses        351      351              
  Partials       21       21              

Components	Coverage Δ
core	84.61% <ø> (ø)
hooks	76.27% <100.00%> (+0.56%)	⬆️
isms	78.94% <ø> (ø)
token	88.23% <ø> (ø)
middlewares	77.39% <ø> (ø)