Enable Feature.DiffInformedQueries #4463

Job	Run time
Diagnostic export (macos-latest, linked)	2m 14s
Diagnostic export (macos-latest, nightly-latest)	2m 12s
Diagnostic export (windows-latest, linked)	2m 39s
Diagnostic export (windows-latest, nightly-latest)	3m 40s
Diagnostic export (ubuntu-latest, linked)	1m 10s
Diagnostic export (ubuntu-latest, nightly-latest)	1m 22s
	13m 17s

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