Fix to prevent stopping buffering prematurely (#17013) #424

Job	Run time
Build and push vttestserver (mysql80)	2m 23s
Build and push lite (latest)	4m 11s
Build and push lite (percona80)	4m 24s
Build and push (bullseye, vtadmin)	1m 26s
Build and push (bullseye, vtorc)	57s
Build and push (bullseye, vtgate)	48s
Build and push (bullseye, vttablet)	41s
Build and push (bullseye, mysqlctld)	44s
Build and push (bullseye, mysqlctl)	51s
Build and push (bullseye, vtctl)	48s
Build and push (bullseye, vtctlclient)	59s
Build and push (bullseye, vtctld)	1m 36s
Build and push (bullseye, vtctldclient)	47s
Build and push (bullseye, logrotate)	21s
Build and push (bullseye, logtail)	30s
Build and push (bullseye, vtbackup)	47s
Build and push (bullseye, vtexplain)	39s
Build and push (bookworm, vtadmin)	1m 15s
Build and push (bookworm, vtorc)	40s
Build and push (bookworm, vtgate)	56s
Build and push (bookworm, vttablet)	49s
Build and push (bookworm, mysqlctld)	56s
Build and push (bookworm, mysqlctl)	40s
Build and push (bookworm, vtctl)	56s
Build and push (bookworm, vtctlclient)	44s
Build and push (bookworm, vtctld)	1m 36s
Build and push (bookworm, vtctldclient)	37s
Build and push (bookworm, logrotate)	21s
Build and push (bookworm, logtail)	48s
Build and push (bookworm, vtbackup)	59s
Build and push (bookworm, vtexplain)	54s
Slack Notification if failed	0s
	35m 3s

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