Dismiss thread when hard deleting root message #11400

Job	Run time
Build Test App and Frameworks	4m 23s
Build LLC + UI (Xcode 15)	4m 20s
Automated Code Review	53s
Test UI (Debug)	11m 59s
Launch Allure TestOps	16s
Build Demo App + Example Apps	4m 20s
Test LLC (Debug)	11m 45s
Test Integration	5m 42s
Test E2E UI (Debug) (0)	9m 35s
Test E2E UI (Debug) (1)	13m 14s
	1h 6m 27s

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