Fix lsp-mode's tramp support #4794

Job	Run time
test (ubuntu-latest, 27.2, false)	3m 7s
test (ubuntu-latest, 28.2, false)	3m 15s
test (ubuntu-latest, 29.1, false)	3m 19s
test (macos-latest, 27.2, false)	5m 53s
test (macos-latest, 28.2, false)	6m 21s
test (macos-latest, 29.1, false)	4m 32s
test (windows-latest, 27.2, false)	3m 49s
test (windows-latest, 28.2, false)	4m 59s
test (windows-latest, 29.1, false)	4m 12s
test (ubuntu-latest, snapshot, true)	2m 51s
test (macos-latest, snapshot, true)	3m 59s
test (windows-latest, snapshot, true)	45s
	47m 2s

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