Enable Feature.DiffInformedQueries #4441

Job	Run time
Diagnostic export (macos-latest, linked)	2m 9s
Diagnostic export (ubuntu-latest, linked)	1m 2s
Diagnostic export (ubuntu-latest, nightly-latest)	1m 22s
Diagnostic export (windows-latest, nightly-latest)	3m 51s
Diagnostic export (macos-latest, nightly-latest)	1m 31s
Diagnostic export (windows-latest, linked)	1m 44s
	11m 39s

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