client: improve tx dump / tx sign

[Fraccaman]

Describe your changes

Closes #3417.

Checklist before merging

• If this PR has some consensus breaking changes, I added the corresponding breaking:: labels
  • This will require 2 reviewers to approve the changes

[codecov]

Codecov Report

Attention: Patch coverage is 3.61446% with 80 lines in your changes missing coverage. Please review.

Project coverage is 61.21%. Comparing base (4cd4356) to head (b673111).
Report is 37 commits behind head on main.

Files	Patch %	Lines
crates/tx/src/lib.rs	0.00%	35 Missing ⚠️
crates/core/src/hash.rs	0.00%	31 Missing ⚠️
crates/sdk/src/tx.rs	0.00%	10 Missing ⚠️
crates/sdk/src/signing.rs	0.00%	2 Missing ⚠️
crates/tx/src/types.rs	60.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3648      +/-   ##
==========================================
- Coverage   61.24%   61.21%   -0.03%     
==========================================
  Files         312      312              
  Lines      101374   101430      +56     
==========================================
+ Hits        62086    62090       +4     
- Misses      39288    39340      +52     

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