Use TriggerContext's Clock instead of new Date()

Closes gh-27546

spring-context/src/main/java/org/springframework/scheduling/support/CronTrigger.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -105,11 +105,11 @@ public class CronTrigger implements Trigger {
 			}
 		}
 		else {
-			date = new Date();
+			date = new Date(triggerContext.getClock().millis());
 		}
 		ZonedDateTime dateTime = ZonedDateTime.ofInstant(date.toInstant(), this.zoneId);
 		ZonedDateTime next = this.expression.next(dateTime);
-		return next != null ? Date.from(next.toInstant()) : null;
+		return (next != null ? Date.from(next.toInstant()) : null);
 	}