[VIP-664] VIP to configure the Institutional Fixed Rate Vault system on BNB Testnet.

[GitGuru7]

Summary

Configure the Institutional Fixed Rate Vault system on BNB Chain Testnet:

1. Grant ACM permissions (81 total) via `ACMCommandsAggregator` to all three governance timelocks (Normal, Fast-track, Critical) for all access-controlled functions on `InstitutionalVaultController` and `LiquidationAdapter`, and to the Guardian for operational functions on both contracts.
2. Accept ownership of `InstitutionalVaultController` and `LiquidationAdapter` (two-step Ownable2Step transfer initiated in deploy script).
3. Set the `LiquidationAdapter` on the controller via `setLiquidationAdapter()`.
4. Complete the two-step position token ownership transfer via `acceptPositionTokenOwnership()`.
5. Whitelist the Guardian as a liquidator and settler on the `LiquidationAdapter`.

Deployed Contracts

• InstitutionalVaultController (proxy): 0x36bA78812Ffff64B9ec060a1F07FcFa2012f6F89
• LiquidationAdapter (proxy): 0x69d79D60abD5A7080C9f178a44c5f1bf1A461541
• InstitutionPositionToken: 0x377180882397718D4061d815Df32CF7DF8492f4F

Permission Summary

Timelock	Contract	Permissions
Normal	InstitutionalVaultController	19 functions (all operational + setter functions)
Fast-track	InstitutionalVaultController	19 functions (all operational + setter functions)
Critical	InstitutionalVaultController	19 functions (all operational + setter functions)
Guardian	InstitutionalVaultController	6 functions (pause/unpause + open/close/sweep)
Normal	LiquidationAdapter	5 functions (all setter functions)
Fast-track	LiquidationAdapter	5 functions (all setter functions)
Critical	LiquidationAdapter	5 functions (all setter functions)
Guardian	LiquidationAdapter	3 functions (sweep + whitelist management)