Include yield fee mint limit in asset liquidation balance

[trmid]

When liquidating assets (not shares), the mint limit should be considered if a yield fee is in place when calculating the liquid balance since transferTokensOut enforces this limit on fee accrual. This ensures that the value being returned by liquidatableBalanceOf can be passed to transferTokensOut even when approaching the mint limit.

[linear]

GEN-1779 [88] consider yield fee amount with mintLimit when returning max liquidation of assets

[github-actions]

LCOV of commit c33bfa6 during coverage #582

Summary coverage rate:
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  functions..: 100.0% (65 of 65 functions)
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  src/PrizeVault.sol          |99.5%    205| 100%    51|    -      0