Hotfix: Preview to Beta changes

[MASTER] Temporarily exclude RTL languages from the menu

Currently that’s just hebrew. It’s still available with the `?locale=he` for people to check translations.

It’s being temporarily excluded from the menu until we have RTL support for the interface.

Deploy July work to Preview

Fix project loader cleanup function. Safari does not support the use of .finally

Update scratch-vm to the latest version 

Enable EV3 and micro:bit extensions

Update Toolbox when blocks container updates and is visible.

Call updateToolbox whenever the blocks container updates and is visible so that changes to dynamic menus (e.g. costume renaming) are picked up. Update setLocale to call updateToolbox so that the toolboxRefresh gets re-enabled. This is needed for getting translated toolbox strings like 'Hello' and 'Hmmm...' to stay in sync with language changes.

Update scratch-blocks to the latest version 

Improve search and tutorial instrumentation for preview

Update scratch-l10n to the latest version 

Update scratch-blocks to the latest version 

Prevent react recycling components causing safari render bug

Preview FAQ -> FAQ

Make welcome image in modal match the homepage banners

Preview -> Beta (:D)

All hail the taco wizard

Update scratch-vm to the latest version 

Don't crash the editor when a project file fails to upload.

Update scratch-paint to the latest version 

Issue/2530 block size locale

chore(package): update scratch-blocks to version 0.1.0-prerelease.153…

Add ev3 connection message and help links

Remove cruft and add comments to explain how setLocale is called.

Closes #2666

Updates to Tutorials Library

Enable the language menu