Merge pull request #49770 from c3024/correct-unread-marker-for-thread… #3203

Job	Run time
validateActor	3s
prep	7s
Build and deploy Android	33m 26s
Build and deploy Desktop	14m 6s
hybridApp	1s
Build and deploy iOS	20m 52s
Build and deploy Web	7m 26s
Create or update deploy checklist / createChecklist	2m 29s
checkDeploymentSuccess	1s
Post a Slack message when any platform fails to build or deploy	0s
createPrerelease	15s
finalizeRelease	0s
Post a Slack message when all platforms deploy successfully	3s
postGithubComments / postDeployComments	32s
	1h 19m 21s

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