feat: Support fsharp-ts-mode (#5033) #6354

Job	Run time
test (ubuntu-latest, 29.4, false)	2m 31s
test (macos-latest, 30.2, false)	4m 30s
test (ubuntu-24.04-arm, 30.2, false)	3m 55s
test (windows-latest, 28.2, false)	5m 36s
test (ubuntu-latest, 30.2, false)	2m 22s
test (macos-latest, 28.2, false)	6m 7s
test (windows-latest, snapshot, true)	3m 15s
test (ubuntu-latest, 28.2, false)	2m 40s
test (macos-latest, 29.4, false)	5m 14s
test (ubuntu-24.04-arm, 28.2, false)	4m 7s
test (windows-latest, 29.4, false)	3m 19s
test (macos-latest, snapshot, true)	3m 59s
test (ubuntu-24.04-arm, snapshot, true)	4m 59s
test (windows-latest, 30.2, false)	4m 0s
test (ubuntu-latest, snapshot, true)	1m 42s
test (ubuntu-24.04-arm, 29.4, false)	3m 53s
	1h 2m 9s

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