fix: Action sheet adapt to newest CDK

[JKMarkowski]

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Defect Hunting

Please provide a brief summary of this pull request.

Action sheet was merged in same moment as CKD popover. It method from popover, that don't exist anymore.
So in this PR contains:

• Removed usage of loaded hook
• Changed way how it deals with keyboard support - Right now body has to catch event from items.
• Added onPush strategy on mobile mode
• Removed leftovers (unnecessary inputs / ActionSheetInterface implmenetation)
• Added support for dynamically changed items - subscriptions are refreshed.
• Handle of dynamic change of compact mode.

Breaking Changes:

• @Input() open => @Input() isOpen
• @Output() openChange => @Output() isOpenChange

Please check whether the PR fulfills the following requirements

• the commit message follows the guideline:
  https://github.com/SAP/fundamental-ngx/blob/master/CONTRIBUTING.md
• tests for the changes that have been done
• all items on the PR Review Checklist are addressed :
  https://github.com/SAP/fundamental-ngx/wiki/PR-Review-Checklist

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[stefanoScalzo]

More of a documentation thing, but since we're changing the API, in the document can we write how to achieve it with our inputs

[stefanoScalzo]

code LGTM, ill create an issue for the docs