fix: mitigate panic caused by must acc address in abci

[cosmic-vagabond]

Description

What has Changed?

Mitigate Panic error in leveragelp/ABCI caused by must acc account function

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Author Checklist

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I have...

• included the correct type prefix in the PR title
• added ! to the type prefix if API or client breaking change
• targeted the correct branch (see PR Targeting)
• provided a link to the relevant issue or specification
• followed the guidelines for building modules
• included the necessary unit and integration tests
• included comments for documenting Go code
• updated the relevant documentation or specification
• reviewed "Files changed" and left comments if necessary
• confirmed all CI checks have passed

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I have...

• confirmed the correct type prefix in the PR title
• confirmed ! in the type prefix if API or client breaking change
• confirmed all author checklist items have been addressed
• reviewed state machine logic
• reviewed API design and naming
• reviewed documentation is accurate
• reviewed tests and test coverage
• manually tested (if applicable)

Deployment Notes

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[codecov]

Codecov Report

Attention: Patch coverage is 40.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 7.47%. Comparing base (85297a1) to head (9e38fc4).
Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
x/masterchef/keeper/abci.go	40.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #750      +/-   ##
==========================================
- Coverage    7.47%    7.47%   -0.01%     
==========================================
  Files         745      745              
  Lines      119599   119602       +3     
==========================================
  Hits         8940     8940              
- Misses     109608   109610       +2     
- Partials     1051     1052       +1     

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