fix: N-05 Unnecessary Cast

[kelemeno]

What ❔

Why ❔

Checklist

• PR title corresponds to the body of PR (we generate changelog entries from PRs).
• Tests for the changes have been added / updated.
• Documentation comments have been added / updated.

[github-actions]

Coverage after merging kl/n05-library into library-fix-review will be

86.02%

Coverage Report

File	Stmts	Branches	Funcs	Lines	Uncovered Lines
../da-contracts/contracts
RollupL1DAValidator.sol	64.94%	37.50%	83.33%	70.91%	145, 148, 148, 148, 150, 183–184, 187–188, 27, 27–28, 30, 30–31, 34, 36–37, 41–42, 65, 67, 67, 67–68, 70
contracts/bridge
BridgeHelper.sol	93.33%	50%	100%	100%	22
BridgedStandardERC20.sol	73.33%	25%	92.31%	75.93%	107–108, 113–114, 126–127, 151–152, 193, 193, 200, 200, 207, 207, 218, 54–55, 81–82
L1ERC20Bridge.sol	93.18%	80%	100%	93.75%	188–189, 264
L1Nullifier.sol	75.23%	56%	75.86%	82.01%	111–112, 127, 127–128, 135, 135–136, 143, 143–144, 173–174, 197, 217, 224–225, 227–228, 237–238, 246–247, 249, 415, 417–418, 418, 418, 420–421, 421, 421, 432–433, 446–447, 468–469, 508, 602, 688, 690, 692, 705, 719, 724
contracts/bridge/asset-router
AssetRouterBase.sol	83.78%	40%	100%	88%	138–139, 57–58, 85–86
L1AssetRouter.sol	90.20%	72%	92%	94.17%	204–205, 241, 250, 252, 255, 57, 576, 58, 73–74, 81–82
contracts/bridge/ntv
L1NativeTokenVault.sol	95.74%	95%	92.31%	96.72%	215, 215–216
NativeTokenVault.sol	87.76%	68.18%	90.48%	91.35%	192, 194, 212–213, 220–221, 254–255, 380, 382, 394–395, 447, 452, 64–65
contracts/bridgehub
Bridgehub.sol	80%	48.48%	93.33%	86.61%	111, 111–112, 118–119, 126–127, 133–134, 140, 140–141, 175–176, 222–223, 223, 223–224, 231–232, 234–235, 238–239, 249–250, 264–265, 314–315, 317–318, 375–376, 391–392, 422–423, 506–507, 588, 687, 690–691, 695–696, 729–730, 743, 786–787, 789–790, 792–793, 827–828, 831–832, 834–835, 870, 875
CTMDeploymentTracker.sol	79.07%	50%	90%	94.74%	115, 119, 34, 41, 64, 91, 94, 96
MessageRoot.sol	91.07%	63.64%	100%	96.97%	116–117, 148, 69, 87
contracts/common
ReentrancyGuard.sol	90%	66.67%	100%	92.86%	78–79
contracts/common/libraries
DataEncoding.sol	71.43%	37.50%	100%	75%	108, 112, 119, 129, 129–131, 134, 75, 83
DynamicIncrementalMerkle.sol	74.42%	100%	80%	72.22%	67–70, 72–74, 76–78
FullMerkle.sol	100%	100%	100%	100%
L2ContractHelper.sol	44.44%	0%	50%	52%	100, 100–101, 109, 139, 143, 56, 68–69, 74–75, 78–79, 93, 95, 95–96
Merkle.sol	96.61%	90.91%	100%	97.67%	80–81
MessageHashing.sol	100%	100%	100%	100%
SemVer.sol	100%	100%	100%	100%
SystemContractsCaller.sol	0%	0%	0%	0%	114, 122–125, 135–138, 138–139, 141, 141–142, 33, 33–34, 37, 45, 47, 49, 51, 53, 66, 66, 66, 69, 72, 75, 78, 89, 91, 93, 96, 98
UncheckedMath.sol	100%	100%	100%	100%
UnsafeBytes.sol	84.21%	100%	83.33%	84.62%	35–36
contracts/governance
AccessControlRestriction.sol	100%	100%	100%	100%
ChainAdmin.sol	95.12%	80%	100%	96.15%	27–28
Governance.sol	98.15%	94.74%	100%	98.55%	45–46
PermanentRestriction.sol	89.43%	82.61%	100%	89.41%	110, 110–111, 138, 201, 201–202, 205, 207, 207–208, 248–249
contracts/state-transition
ChainTypeManager.sol	67.28%	33.33%	60%	77.67%	108, 135–136, 138–139, 141–142, 144–145, 200–201, 245, 252, 270, 276, 283, 295, 302, 309, 317, 324, 332, 339, 357, 359, 424, 443, 443, 443, 446, 446, 446, 448, 461, 466, 491, 74, 87–88
TestnetVerifier.sol	77.78%	66.67%	100%	75%	16, 28
ValidatorTimelock.sol	95.08%	83.33%	100%	95.24%	200, 82–83
Verifier.sol	89.90%	40%	96.30%	90.93%	1674–1675, 287–302, 305–308, 311–318, 321–328, 331–332, 335–336, 339, 383–384, 394–395, 405–406, 416–417, 427–428, 443–444, 453, 453–454, 905–906
contracts/state-transition/chain-deps
DiamondInit.sol	78%	45.45%	100%	86.49%	39–40, 42–43, 45–46, 48–49, 51–52, 77
DiamondProxy.sol	92.31%	75%	100%	100%	16, 27
contracts/state-transition/chain-deps/facets
Admin.sol	72.69%	36.21%	90.91%	85.29%	104–105, 115–116, 130, 130–131, 133–134, 157, 157, 157–158, 158, 158, 160, 239, 241, 254–255, 261, 263, 266, 266, 266, 284, 295–296, 301, 313, 313, 315, 315, 315, 321, 321, 321–322, 322, 322–324, 324, 324–325, 325, 325–327, 354, 356, 360, 369, 379, 383, 40, 40
Executor.sol	76.13%	57.14%	92%	81.25%	120–121, 173, 178, 183, 188, 193, 198, 202–203, 208, 208–209, 209–210, 212, 212–213, 223, 227, 227–228, 246–247, 268,