Add an option to play the video in a modal

Postponed on the poster functionality: ✨ Allow to select an image field as poster Active but feel free to provide initial implementations and add ideas.

Problem/Motivation

I think this should be done in a separate submodule as extra formatter, extending the plyr base formatter, as there might be several ways to display the modal and it might be tied to the theme.

Another reason for the submodule and separate formatter is, that similar to photoswipe or other modules you may want to configure a smaller preview for the trigger. We might base this on the poster functionality: ✨ Allow to select an image field as poster Active

As a default implementation the Drupal modal might be used, but that's not a very well done modal implementation. Anyway I think it's not untypical to play a smaller video in a larger modal.

Steps to reproduce

Proposed resolution

Remaining tasks

User interface changes

API changes

Data model changes