fix!: update formula in CheckValidatorLiquidStakingCap

[sainoe]

Description

Update the CheckValidatorLiquidStakingCap method logic to take in account whether liquid shares are already bonded or not.

Credits to @sampocs for finding the bug.

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• included the correct type prefix in the PR title
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• confirmed the correct type prefix in the PR title
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[mpoke]

LGTM