Disable light client when fork epoch is misaligned #20332

Job	Run time
check-msrv	4m 55s
Check for 'skip-ci' label	1s
check-code	2m 51s
lockbud	6m 47s
target-branch-check	1s
release-tests-windows	11m 58s
release-tests-ubuntu	3m 39s
beacon-chain-tests	22m 56s
debug-tests-ubuntu	2m 12s
network-tests	7m 12s
op-pool-tests	22m 48s
slasher-tests	3m 46s
state-transition-vectors-ubuntu	8m 7s
basic-simulator-ubuntu	9m 26s
cargo-sort	14s
cargo-udeps	6m 38s
cli-check	9m 22s
compile-with-beta-compiler	9m 31s
ef-tests-ubuntu	10m 35s
execution-engine-integration-ubuntu	10m 19s
fallback-simulator-ubuntu	9m 44s
test-suite-success	0s
	2h 43m 2s

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