Shutdown tasks annotated with @Scheduled when waitForTasksToCompleteOnShutdown is true

[savinov]

Shutdown tasks annotated with @Scheduled when waitForTasksToCompleteOnShutdown is true

1. ScheduledTaskRegistrar: shutdown taskScheduler of ExecutorConfigurationSupport type in destroy()
2. ScheduledAnnotationBeanPostProcessor: do not cancel tasks in destroy(), taskRegistrar cancel them

Closes gh-26482