Remove sov-tx chainid, Fix sov-tx signature

[kpp]

Description

Linked Issues

• Fixes Transaction stores borsh serialized signature #2370 Maybe remove sov-tx chainid field #2090

[codecov]

Codecov Report

Attention: Patch coverage is 52.63158% with 18 lines in your changes missing coverage. Please review.

Project coverage is 84.7%. Comparing base (8dff564) to head (6c0d70d).
Report is 1 commits behind head on nightly.

Files with missing lines	Patch %	Lines
.../rollup-interface/src/state_machine/transaction.rs	51.3%	18 Missing ⚠️

Additional details and impacted files

Files with missing lines	Coverage Δ
crates/sequencer/src/runner.rs	93.7% <100.0%> (ø)
.../rollup-interface/src/state_machine/transaction.rs	71.2% <51.3%> (-21.2%)	⬇️

... and 6 files with indirect coverage changes

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[eyusufatik]

Good solution. Should we make this when we do a network upgrade?