feat: allow conferencing apps to be installed on teams

[SomayChauhan]

What does this PR do?

This PR enables conferencing apps to be installed on Teams, currently limited to Atoms only.

https://www.loom.com/share/00eff5f46219440babdb20ca78e2e692?sid=363bbd2b-94ba-42bd-a3b4-25e6d804d06e

• Fixes #XXXX (GitHub issue number)
• Fixes CAL-XXXX (Linear issue number - should be visible at the bottom of the GitHub issue description)

Visual Demo (For contributors especially)

A visual demonstration is strongly recommended, for both the original and new change (video / image - any one).

Video Demo (if applicable):

• Show screen recordings of the issue or feature.
• Demonstrate how to reproduce the issue, the behavior before and after the change.

Image Demo (if applicable):

• Add side-by-side screenshots of the original and updated change.
• Highlight any significant change(s).

Mandatory Tasks (DO NOT REMOVE)

• I have self-reviewed the code (A decent size PR without self-review might be rejected).
• I have updated the developer docs in /docs if this PR makes changes that would require a documentation change. If N/A, write N/A here and check the checkbox.
• I confirm automated tests are in place that prove my fix is effective or that my feature works.

How should this be tested?

⚠️ Note: needs publishing new version of platform-libraries.

#19784 (comment)

TODO - followups

• make conferencing apps work for organizations.
• Apply the team guards for stripe controllers when installing it on a team. Currently, anyone can install them—restrict this to admins and owners only. -- feat: add guards to stripe teams controller #20155
• Extend conferencing app support to the main app (not just the platform). Update the app installation flow to allow installation at the team level, not just for individual users
• Make team conferencing apps work with DWD

[github-actions]

E2E results are ready!

• Workflow #54368.1 latest results

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[hbjORbj]

@SomayChauhan Can you resolve conflicts? and we are good to go I think!