perf(cdk/drag-drop): avoid excessive change detections with zone-patch-rxjs #23272
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The
CdkDrag
directive subscribes toNgZone.onStable
on init and then unsubscribes after the first emit. This is usually fine, but it can cause change detections if the app is usingzone-patch-rxjs
.These changes explicitly run a few sensitive calls outside the zone.
Fixes #23248.