fix(external-node): delete empty unsealed batch on EN initialization #19985

Job	Run time
Get changed files	54s
CI for Core lint Components	0s
E2E Test for Prover Components	0s
CI for Prover Components	0s
CI for Docs	0s
Build prover images with avx512 instructions	0s
Build prover images	0s
CI for Core Components / integration-tests	23m 47s
CI for Core Components / loadtest (OLD)	16m 58s
CI for Core Components / unit-tests	32m 5s
CI for Core Components / loadtest (NEW)	17m 16s
Build contract verifier / Prepare contracts	53s
Build core images / Prepare contracts	56s
Build TEE Prover images / Build and Push Docker Images	6m 5s
CI for Common Components (prover or core) / build	9m 40s
CI for Core Components / lint / code_lint	15m 39s
Build contract verifier / Build and Push Docker Images (contract-verifier, linux/amd64)	5m 25s
Build contract verifier / Build and Push Docker Images (verified-sources-fetcher, linux/amd64)	3m 12s
Build core images / Build and Push Docker Images (server-v2, linux/amd64)	4m 57s
Build core images / Build and Push Docker Images (external-node, linux/amd64)	5m 19s
Build core images / Build and Push Docker Images (snapshots-creator, linux/amd64)	3m 11s
Build core images / Build and Push Docker Images (external-node, linux/arm64)	7m 5s
Build contract verifier / Create release manifest	0s
Build core images / Create release manifest	0s
Github Status Check	1s
	2h 33m 23s

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