fix(tui): avoid panic on restarting tasks during watch #2082

Job	Run time
Determine jobs to run	18s
Turborepo rust check	1m 12s
Rust lints	1m 24s
Turborepo Integration (ubuntu-latest)	9m 28s
Turborepo Integration (macos-12)	20m 49s
Turborepo Examples	0s
Turborepo Integration (windows-latest)	23m 53s
Turborepo Rust testing on ubuntu	1m 48s
Turborepo Rust testing on macos	11m 14s
Turborepo Rust testing on windows	9m 59s
Turborepo Test Summary	1s
Cleanup / cleanup	7s
	1h 20m 13s

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