feat: allow GetCoinbaseAddress support in ICS consumer chain

[mmsqe]

Description

Closes: #XXXX

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Author Checklist

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I have...

• tackled an existing issue or discussed with a team member
• left instructions on how to review the changes
• targeted the main branch

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 65.53%. Comparing base (8f242bf) to head (b3f733f).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #917      +/-   ##
==========================================
+ Coverage   64.06%   65.53%   +1.46%     
==========================================
  Files         318      318              
  Lines       22289    22226      -63     
==========================================
+ Hits        14279    14565     +286     
+ Misses       6572     6497      -75     
+ Partials     1438     1164     -274     

Files with missing lines	Coverage Δ
x/vm/keeper/block_proposer.go	100.00% <100.00%> (+33.33%)	⬆️

... and 18 files with indirect coverage changes

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