improve tracer/simulation RPC

[codchen]

Describe your changes and provide context

Use the same logic as actual execution to perform tracer/simulation requests, so that the result has higher fidelity.

Testing performed to validate your change

todo

[codecov]

Codecov Report

Attention: Patch coverage is 69.11765% with 21 lines in your changes missing coverage. Please review.

Project coverage is 61.58%. Comparing base (f875297) to head (b6c2114).

Files with missing lines	Patch %	Lines
evmrpc/simulate.go	58.13%	11 Missing and 7 partials ⚠️
app/app.go	33.33%	2 Missing ⚠️
x/evm/keeper/msg_server.go	90.90%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2071      +/-   ##
==========================================
+ Coverage   61.51%   61.58%   +0.07%     
==========================================
  Files         265      265              
  Lines       24710    24690      -20     
==========================================
+ Hits        15200    15206       +6     
+ Misses       8382     8356      -26     
  Partials     1128     1128              

Files with missing lines	Coverage Δ
evmrpc/send.go	29.47% <100.00%> (ø)
evmrpc/server.go	87.13% <100.00%> (ø)
evmrpc/tracers.go	59.22% <100.00%> (ø)
x/evm/keeper/msg_server.go	71.84% <90.90%> (+0.30%)	⬆️
app/app.go	65.38% <33.33%> (+0.05%)	⬆️
evmrpc/simulate.go	70.43% <58.13%> (+5.22%)	⬆️

... and 1 file with indirect coverage changes