Rollforward "refactor of MConnection internals"

[pompon0]

rollforward of sei-protocol/sei-tendermint#324
Fixed bug detected by sei-protocol/sei-tendermint#327.
This PR is migrated from sei-tendermint: sei-protocol/sei-tendermint#326

[codecov]

Codecov Report

❌ Patch coverage is 0% with 338 lines in your changes missing coverage. Please review.
✅ Project coverage is 27.10%. Comparing base (e7ff452) to head (23f4f04).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
sei-tendermint/internal/p2p/conn/connection.go	0.00%	251 Missing ⚠️
sei-tendermint/libs/utils/ringbuf.go	0.00%	34 Missing ⚠️
sei-tendermint/libs/utils/scope/global.go	0.00%	30 Missing ⚠️
sei-tendermint/internal/p2p/router.go	0.00%	8 Missing ⚠️
sei-tendermint/libs/utils/wait.go	0.00%	8 Missing ⚠️
sei-tendermint/libs/utils/proto.go	0.00%	7 Missing ⚠️

❌ Your patch status has failed because the patch coverage (0.00%) is below the target coverage (70.00%). You can increase the patch coverage or adjust the target coverage.
❌ Your project status has failed because the head coverage (27.10%) is below the target coverage (60.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2430   +/-   ##
=======================================
  Coverage   27.09%   27.10%           
=======================================
  Files        1464     1464           
  Lines      144400   144382   -18     
=======================================
+ Hits        39131    39139    +8     
+ Misses     101906   101881   -25     
+ Partials     3363     3362    -1     

Files with missing lines	Coverage Δ
sei-tendermint/libs/utils/proto.go	1.61% <0.00%> (-0.21%)	⬇️
sei-tendermint/internal/p2p/router.go	0.00% <0.00%> (ø)
sei-tendermint/libs/utils/wait.go	0.00% <0.00%> (ø)
sei-tendermint/libs/utils/scope/global.go	0.00% <0.00%> (ø)
sei-tendermint/libs/utils/ringbuf.go	0.00% <0.00%> (ø)
sei-tendermint/internal/p2p/conn/connection.go	0.00% <0.00%> (ø)

... and 4 files with indirect coverage changes

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