VerifyDataColumnSidecar: Check if there is no too many commitments. (#15859)

* `VerifyDataColumnSidecar`: Check if there is no too many commitments.

* `TestVerifyDataColumnSidecar`: Refactor using test cases.

* Add changelog.

beacon-chain/sync/initial-sync/service_test.go

@@ -683,6 +683,7 @@ func TestFetchOriginColumns(t *testing.T) {
 	params.SetupTestConfigCleanup(t)
 	cfg := params.BeaconConfig().Copy()
 	cfg.FuluForkEpoch = 0
+	cfg.BlobSchedule = []params.BlobScheduleEntry{{Epoch: 0, MaxBlobsPerBlock: 10}}
 	params.OverrideBeaconConfig(cfg)
 
 	const (