chore(fast-inbox): fix solhint import order for ConstantsGen in ProposeLib (A-1434)

Author: spalladino

l1-contracts/src/core/libraries/rollup/ProposeLib.sol

@@ -3,13 +3,13 @@
 pragma solidity >=0.8.27;
 
 import {BlobLib} from "@aztec-blob-lib/BlobLib.sol";
-import {Constants} from "@aztec/core/libraries/ConstantsGen.sol";
 import {IEscapeHatch} from "@aztec/core/interfaces/IEscapeHatch.sol";
 import {RollupStore, IRollupCore, CheckpointHeaderValidationFlags} from "@aztec/core/interfaces/IRollup.sol";
 import {IInbox, MAX_MSGS_PER_BUCKET} from "@aztec/core/interfaces/messagebridge/IInbox.sol";
 import {TempCheckpointLog} from "@aztec/core/libraries/compressed-data/CheckpointLog.sol";
 import {FeeHeader} from "@aztec/core/libraries/compressed-data/fees/FeeStructs.sol";
 import {ChainTipsLib, CompressedChainTips} from "@aztec/core/libraries/compressed-data/Tips.sol";
+import {Constants} from "@aztec/core/libraries/ConstantsGen.sol";
 import {Errors} from "@aztec/core/libraries/Errors.sol";
 import {CommitteeAttestations} from "@aztec/core/libraries/rollup/AttestationLib.sol";
 import {CoordinationSignatureLib} from "@aztec/core/libraries/rollup/CoordinationSignatureLib.sol";