Bug fixes

This adds new tokens for username url encoding to help @TipiT
https://www.drupal.org/project/rest_password/issues/3045533

Fixes https://www.drupal.org/project/rest_password/issues/3036407 @klausi

Makes https://www.drupal.org/project/rest_password/issues/3036405 abit better @klausi

• Issue #3048545: Implement theme suggestions and JS behaviors in Varbase Media for each video provider to support autoplay for various video providers (YouTube, Vimeo, and Local video)
• Issue #3048729: Initialized the Varbase Media Header slider 8.x-7.x branch structure and implement theme suggestions and JS behaviors for each video provider to support autoplay for various video providers (YouTube, Vimeo, and Local video)
• Issue #3050202: Implemented theme suggestions and JS behaviours in Varbase Media Header for each video provider to support autoplay for various video providers (YouTube, Vimeo, and Local video) targeted for the media header
• Issue #3048206: Added [Length Indicator] module 8.1.0-rc3
  

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  • Added [Length Indicator] to the form view config for [Basic page] content type
    
  • Added the checklist for optional updates over the [Length Indicator] configs modules
  • Added targeted modules with #dependency in the checklist item and updated the Updated Helper for optional updates

Fixed issues

• Remove obsolete saveUnManagedAssets() empty function.
• Fix No route found for acquia_contenthub/contenthub_filter/all error.
• Issue #3001541 by tedbow, kaynen: Remove the off-canvas wrapper when rendering entities for Content Hub.
• On save admin form settings, allow and guards on empty form and field values.
• Fixed Discovery Interface minor UI issues.

- Fixed for docs.
- Micro optimizations.
- Simplified UltimenuManager::buildFlyout() signatures.
- Cleaned up useless things.

Added fixes that were proposed in the following issues:
https://www.drupal.org/project/disable_language/issues/3044167
https://www.drupal.org/project/disable_language/issues/3046684
https://www.drupal.org/project/disable_language/issues/3030429