Optimize AnteHandle method to skip checks if disabledMsgs is empty

[fx0x55]

Closes: #XXX

Description

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For contributor use:

• Targeted PR against correct branch (see CONTRIBUTING.md)
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Code follows the module structure standards.
• Wrote unit and integration tests
• Updated relevant documentation (docs/) or specification (x/<module>/spec/)
• Added relevant godoc comments.
• Added a relevant changelog entry to the Unreleased section in CHANGELOG.md
• Re-reviewed Files changed in the Github PR explorer

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For admin use:

• Added appropriate labels to PR (ex. WIP, R4R, docs, etc)
• Reviewers assigned
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 61.54%. Comparing base (b0022ea) to head (6577b66).

Files	Patch %	Lines
app/ante/authz.go	0.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #504      +/-   ##
===========================================
- Coverage    61.56%   61.54%   -0.02%     
===========================================
  Files          128      128              
  Lines         9501     9503       +2     
===========================================
  Hits          5849     5849              
- Misses        3112     3113       +1     
- Partials       540      541       +1     

Files	Coverage Δ
app/ante/authz.go	84.61% <0.00%> (-4.58%)	⬇️

[mmsqe]

Hi @fx0x55, can you help sign the first commit and add a change log?

[fx0x55]

Hi @fx0x55, can you help sign the first commit and add a change log?

OK, done

[mmsqe]

Hi @fx0x55, can you help sign the first commit and add a change log?

OK, done

Thanks, can you sign all the commits?

[fx0x55]

Hi @fx0x55, can you help sign the first commit and add a change log?

OK, done

Thanks, can you sign all the commits?

@mmsqe Ok, done