Exclude Synthetic txs from *ExcludePanicTx endpoints

[jewei1997]

Describe your changes and provide context

Synthetic txs should not show up in the sei_*ExcludePanicTx endpoints.

Testing performed to validate your change

unit tests, integration tests, and manually tested on archive node on specific failure case

[codecov]

Codecov Report

Attention: Patch coverage is 54.16667% with 11 lines in your changes missing coverage. Please review.

Project coverage is 61.33%. Comparing base (3ca49df) to head (e48c22d).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
evmrpc/tracers.go	0.00%	6 Missing ⚠️
evmrpc/block.go	76.92%	3 Missing ⚠️
evmrpc/server.go	60.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2058      +/-   ##
==========================================
- Coverage   61.39%   61.33%   -0.06%     
==========================================
  Files         264      264              
  Lines       24626    24632       +6     
==========================================
- Hits        15118    15108      -10     
- Misses       8372     8391      +19     
+ Partials     1136     1133       -3     

Files with missing lines	Coverage Δ
evmrpc/server.go	86.82% <60.00%> (ø)
evmrpc/block.go	75.97% <76.92%> (-0.27%)	⬇️
evmrpc/tracers.go	59.22% <0.00%> (-3.03%)	⬇️

... and 2 files with indirect coverage changes