Fix Locked Coins on Clawback Vesting Accounts

[Yurist-85]

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-commenter]

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Codecov Report

Attention: Patch coverage is 32.14286% with 38 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
app/upgrades/v1.8.1/upgrades.go	2.56%	37 Missing and 1 partial ⚠️

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