fix(ibc-core): pack host consensus state into wasm consensus state for wasm clients

[rnbguy]

Closes: #1237

Description

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PR author checklist:

• Added changelog entry, using unclog.
• Added tests.
• Linked to GitHub issue.
• Updated code comments and documentation (e.g., docs/).
• Tagged one reviewer who will be the one responsible for shepherding this PR.

Reviewer checklist:

• Reviewed Files changed in the GitHub PR explorer.
• Manually tested (in case integration/unit/mock tests are absent).

[codecov]

Codecov Report

Attention: Patch coverage is 88.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 67.27%. Comparing base (478b4c6) to head (a2a2b7d).

Files	Patch %	Lines
ibc-core/ics03-connection/src/handler/mod.rs	82.35%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1252      +/-   ##
==========================================
+ Coverage   67.26%   67.27%   +0.01%     
==========================================
  Files         235      235              
  Lines       23516    23538      +22     
==========================================
+ Hits        15817    15836      +19     
- Misses       7699     7702       +3     

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