Refactor `Server.LookupVindexCreate` (#17242) #517

Job	Run time
Build and push lite (latest)	4m 33s
Build and push vttestserver (mysql80)	2m 28s
Build and push lite (percona80)	4m 29s
Build and push (bullseye, vtadmin)	1m 15s
Build and push (bullseye, vtorc)	38s
Build and push (bullseye, vtgate)	37s
Build and push (bullseye, vttablet)	42s
Build and push (bullseye, mysqlctld)	54s
Build and push (bullseye, mysqlctl)	41s
Build and push (bullseye, vtctl)	43s
Build and push (bullseye, vtctlclient)	37s
Build and push (bullseye, vtctld)	1m 28s
Build and push (bullseye, vtctldclient)	39s
Build and push (bullseye, logrotate)	31s
Build and push (bullseye, logtail)	35s
Build and push (bullseye, vtbackup)	49s
Build and push (bullseye, vtexplain)	37s
Build and push (bookworm, vtadmin)	1m 29s
Build and push (bookworm, vtorc)	43s
Build and push (bookworm, vtgate)	53s
Build and push (bookworm, vttablet)	44s
Build and push (bookworm, mysqlctld)	52s
Build and push (bookworm, mysqlctl)	54s
Build and push (bookworm, vtctl)	57s
Build and push (bookworm, vtctlclient)	56s
Build and push (bookworm, vtctld)	1m 39s
Build and push (bookworm, vtctldclient)	51s
Build and push (bookworm, logrotate)	23s
Build and push (bookworm, logtail)	30s
Build and push (bookworm, vtbackup)	47s
Build and push (bookworm, vtexplain)	53s
Slack Notification if failed	0s
	34m 47s

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