fix(mempool): minor mempool improvements #19816

Job	Run time
Get changed files	50s
E2E Test for Prover Components	0s
CI for Prover Components	0s
CI for Core lint Components	0s
CI for Docs	0s
Build prover images	0s
Build prover images with avx512 instructions	0s
CI for Core Components / unit-tests	29m 28s
CI for Core Components / integration-tests	23m 26s
CI for Core Components / loadtest (OLD)	17m 12s
CI for Core Components / loadtest (NEW)	17m 6s
Build contract verifier / Prepare contracts	57s
Build core images / Prepare contracts	55s
Build TEE Prover images / Build and Push Docker Images	6m 10s
CI for Common Components (prover or core) / build	9m 30s
CI for Core Components / lint / code_lint	12m 23s
Build core images / Build and Push Docker Images (server-v2, linux/amd64)	4m 44s
Build core images / Build and Push Docker Images (external-node, linux/amd64)	4m 56s
Build core images / Build and Push Docker Images (snapshots-creator, linux/amd64)	3m 20s
Build core images / Build and Push Docker Images (external-node, linux/arm64)	6m 17s
Build contract verifier / Build and Push Docker Images (contract-verifier, linux/amd64)	5m 30s
Build contract verifier / Build and Push Docker Images (verified-sources-fetcher, linux/amd64)	2m 53s
Build contract verifier / Create release manifest	0s
Build core images / Create release manifest	0s
Github Status Check	1s
	2h 25m 38s

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