Broadcast result should also pass log

[yzang2019]

Describe your changes and provide context

Problem:
Current Tendermint is not passing log into the broadcast result, this would cause some information missing when trying to debug broadcast failures.

Testing performed to validate your change

[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (da59b8d) 57.94% compared to head (017aba2) 57.92%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #201      +/-   ##
==========================================
- Coverage   57.94%   57.92%   -0.02%     
==========================================
  Files         249      249              
  Lines       33915    33916       +1     
==========================================
- Hits        19651    19645       -6     
- Misses      12692    12705      +13     
+ Partials     1572     1566       -6     

Files	Coverage Δ
internal/rpc/core/mempool.go	0.00% <0.00%> (ø)

... and 17 files with indirect coverage changes