Add quick action buttons and quick reply to notifications

[ShGKme]

How to use GitHub

• Please use the 👍 reaction to show that you are interested into the same feature.
• Please don't comment if you have no relevant information to add. It's just extra noise for everyone subscribed to this issue.
• Subscribe to receive notifications on status change and new comments.

---

Is your feature request related to a problem? Please describe.
Actions available from notifications in other clients (e.g. mobile) are missing.

Describe the solution you'd like

Add quick actions to a message notification:

• Mark as read
• Reply

And to a call notification (when callbox popup is not enabled):

• Join
• Decline

Describe alternatives you've considered

• [Feature Request] Dedicated incoming call/message pop-up window (Zoiper/Softphone style) #1847

Additional context
TODO: add per OS details

[Antreesy]

• Server issue for 'quick reply' reference: Ability to directly reply to Talk notifications notifications#637

[nickvergessen]

• Spreed PR attempt outlining that "Mark as read" would be breaking atm: Add "Mark as read" action to chat notifications spreed#18741