Clean-up logic for overriding proxy #6724

Job	Run time
Packaging: Action input (ubuntu-latest, linked)	2m 7s
Packaging: Action input (ubuntu-latest, default)	2m 3s
Packaging: Action input (windows-latest, linked)	5m 34s
Packaging: Action input (windows-latest, default)	3m 18s
Packaging: Action input (macos-latest, linked)	1m 33s
Packaging: Action input (macos-latest, default)	1m 27s
Packaging: Action input (windows-latest, nightly-latest)	7m 13s
Packaging: Action input (ubuntu-latest, nightly-latest)	1m 11s
Packaging: Action input (macos-latest, nightly-latest)	1m 7s
	25m 33s

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