Video Player preferences playing mode (InApp, InAppBrowser,External)

[ggichure]

Pull Request Description

Video Player preferences playing mode (InApp, InAppBrowser,External).
This applies to both players.

Issue Being Fixed

Issue Number: #1517

Screenshots / Recordings

Checklist

• If a new package was added, did you ensure it uses an appropriate license and is actively maintained?
• Did you use localized strings (and added appropriate descriptions) where applicable?
• Did you add semanticLabels where applicable for accessibility?

[hjiangsu]

LGTM! I just made a couple of slight adjustments to the implementation:

• Rebased branch to sync up with the latest develop changes
• Simplified the logic for handling external app/custom tabs to make it more readable
• Minor linting