fix: chainRegistered

[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/message-root-update into sync-layer-stable will be

87.08%

Coverage Report

File	Stmts	Branches	Funcs	Lines	Uncovered Lines
../da-contracts/contracts
RollupL1DAValidator.sol	61.04%	31.25%	83.33%	67.27%	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, 80, 80–81
contracts/bridge
BridgeHelper.sol	100%	100%	100%	100%
L1AssetRouter.sol	93.95%	85.07%	94.87%	96.63%	139–140, 155–156, 216, 236, 285, 338, 390, 550, 571, 613, 732–733, 754–755, 896
L1ERC20Bridge.sol	97.50%	100%	100%	96.55%	116
L1NativeTokenVault.sol	92.31%	93.33%	78.57%	94.19%	175–176, 256, 284, 289, 46–47
contracts/bridgehub
Bridgehub.sol	67.11%	36.36%	77.50%	77.72%	110, 110, 110, 115, 121, 126, 131, 163–164, 207, 207–208, 210–211, 211, 211–212, 218–219, 219, 219–220, 220, 220, 222–223, 223, 223–224, 232–233, 247–248, 295–296, 326–327, 329–330, 332–334, 336–337, 340–341, 347, 349–350, 352–353, 380–381, 391–392, 395, 423, 447–449, 452, 452–453, 497, 505–507, 511, 511–512, 514, 528–529, 541–542, 581, 605–606, 685, 688–689, 693–694, 721–722, 731, 776, 781, 786, 791
MessageRoot.sol	91.07%	63.64%	100%	96.97%	116–117, 148, 69, 87
STMDeploymentTracker.sol	79.07%	50%	90%	94.74%	115, 119, 34, 41, 64, 91, 94, 96
contracts/common
ReentrancyGuard.sol	90%	66.67%	100%	92.86%	78–79
contracts/common/libraries
DataEncoding.sol	80%	100%	100%	66.67%	72, 80
DynamicIncrementalMerkle.sol	74.42%	100%	80%	72.22%	67–70, 72–74, 76–78
FullMerkle.sol	100%	100%	100%	100%
L2ContractHelper.sol	47.06%	0%	60%	54.17%	100, 104, 29–30, 35–36, 39–40, 54, 56, 56–57, 61, 61–62, 70
Merkle.sol	96.61%	90.91%	100%	97.67%	80–81
MessageHashing.sol	100%	100%	100%	100%
SemVer.sol	100%	100%	100%	100%
UncheckedMath.sol	100%	100%	100%	100%
UnsafeBytes.sol	100%	100%	100%	100%
contracts/governance
ChainAdmin.sol	17.86%	0%	20%	21.05%	27–28, 39–40, 47–48, 56, 56–57, 60, 62–63, 63, 66, 69, 78, 78–79, 81
Governance.sol	98.15%	94.74%	100%	98.55%	44–45
contracts/state-transition
StateTransitionManager.sol	66.88%	33.33%	58.82%	77.45%	108, 137–138, 140–141, 143–144, 146–147, 202–203, 247, 254, 272, 278, 285, 297, 304, 311, 319, 326, 334, 341, 359, 361, 426, 445, 445, 445, 448, 448, 448, 450, 463, 468, 493, 74, 87–88
TestnetVerifier.sol	77.78%	66.67%	100%	75%	16, 32
ValidatorTimelock.sol	95.38%	83.33%	100%	95.45%	210, 83–84
Verifier.sol	89.88%	35.71%	96.30%	90.93%	1673–1674, 287–302, 305–308, 311–318, 321–328, 331–332, 335–336, 339, 384–385, 395–396, 406–407, 417–418, 428–429, 444–445, 454, 454–455, 904–905
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	73.93%	38.18%	90.91%	85.82%	104–105, 115–116, 130, 130–131, 133–134, 157, 157, 157–158, 158, 158, 160, 239, 241, 254–255, 261, 278, 289–290, 295, 307, 307, 309, 309, 309, 315, 315, 315–316, 316, 316–318, 318, 318–319, 319, 319–321, 348, 350, 354, 363, 373, 377, 40, 40
Executor.sol	78.32%	64.94%	92.86%	81.37%	119–120, 201, 207–208, 208–209, 211, 211–212, 224, 224, 228, 228, 228, 252–253, 270, 273, 319, 319–320, 324, 328, 330–331, 337–338, 357–360, 362, 37, 418, 418, 418–421, 423, 426, 429–430, 447, 450–451, 453–455, 468–470, 531–532, 540–541, 563–564, 574–575, 626–627, 653–654
Getters.sol	81.82%	62.50%	82.22%	83.82%	110, 113, 119, 122, 133, 136, 178, 231, 237, 241, 65, 70, 85, 90
Mailbox.sol	82.27%	70.59%	89.66%	83.57%	153, 188, 198, 207–208, 233, 237, 237, 237, 240, 242–243, 245, 250, 252, 255–257, 262–265, 267–268, 274, 274, 274, 276, 279–280, 374–375, 54
ZkSyncHyperchainBase.sol	71.43%	71.43%	71.43%	71.43%	55, 55–56, 62, 62–63
contracts/state-transition/data-availability
CalldataDA.sol	100%	100%	100%	100%
CalldataDAGateway.sol	85.71%	66.67%	100%	100%	27–28
RelayedSLDAValidator.sol	96.67%	83.33%	100%	100%	94
contracts/state-transition/libraries
Diamond.sol