feat: implement New JavaScript API in the study screen and previewers

[BrayanDSO]

Purpose / Description

Implements the New JavaScript API (which needs to be reviewed as well) in the new study screen and the previewers.

Approach

In the commits

How Has This Been Tested?

Emulator 34 with the api_showcase sample template:

study.screen.webm

previewer.webm

Learning (optional, can help others)

Using CompletableDeferred is a nice hack to send requests from the viewModel to the view

Checklist

Please, go through these checks before submitting the PR.

• You have a descriptive commit message with a short title (first line, max 50 chars).
• You have commented your code, particularly in hard-to-understand areas
• You have performed a self-review of your own code
• UI changes: include screenshots of all affected screens (in particular showing any new or changed strings)
• UI Changes: You have tested your change using the Google Accessibility Scanner

[github-actions]

Important

Maintainers: This PR contains Strings changes

1. Sync Translations before merging this PR and wait for the action to complete
2. Review and merge the auto-generated PR in order to sync all user-submitted translations
3. Sync Translations again and merge the PR so the huge automated string changes caused by merging this PR are by themselves and easy to review