feat: don't delete shell/term windows via C-g #1480

Job	Run time
test (ubuntu-latest, 27.2, false)	2m 28s
test (ubuntu-latest, 28.2, false)	4m 14s
test (ubuntu-latest, 29.3, false)	3m 48s
test (macos-latest, 27.2, false)	2m 17s
test (macos-latest, 28.2, false)	4m 14s
test (macos-latest, 29.3, false)	3m 29s
test (windows-latest, 27.2, false)	2m 5s
test (windows-latest, 28.2, false)	4m 2s
test (windows-latest, 29.3, false)	3m 30s
test (ubuntu-latest, snapshot, true)	3m 16s
test (macos-latest, snapshot, true)	3m 7s
test (windows-latest, snapshot, true)	3m 14s
	39m 44s

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