[Misc] The pipeline logic was changed to keep the last 20 builds for contrib projects. We need to override the config to make it as it was before that change

- Use org.xwiki.container.Container component to retrieve the current Request
  instead of Provider<XWikiContext>

* Revert it

* fix test

Currently translated at 100.0% (163 of 163 strings)

Translation: XWiki Platform/XWiki Platform - CKEditor - UI
Translate-URL: https://l10n.xwiki.org/projects/xwiki-platform/xwiki-platform-ckeditor-ui/de/

* fix tests

* Plus some code simplification to be consistent with the contrib repo in order to port patches more easily.

  * Fix the visibility of before each method

XWIKI-20020: Add a more explicit warning before a new extension is about to be installed in the macros picker
XWIKI-20019: The "recommended" extension tag should be visible too in the macros picker

  * Fix the visibility of AfterEach method: it should never be private

  * Ensure to fallback on the old mechanism when uploading an image to a
    translated page

* Use relative references in the exclusions list
* Use POST instead of GET to retrieve the tree contents
* Also exclude the Dashbord page (it's not excluded automatically because, same as with the Sandbox page, even if it belongs to an extension, the user can modify it).

XWIKI-15091: AbstractWikiReferenceExtractor fails to extract a wiki reference if the XWiki Context isn't correctly initialized (#713)

* Consider user timezone when formating the image date displayed in lightbox
* use proper case for userTimeZone and dateFormat and add escaping
* added test to verify if the timezone is indeed taken into consideration

* bootstrap activity stream icons are not properly vertical aligned

* Edit CSS selector like evalica suggest

* no more memory queue, we just directly use the event store as queue
* no more Job
* events now contains the id of the cluster member which produced them

XWIKI-18002: Add autocomplete attributes to fields when editing the user profile personal information (#1666)

* Add 'autocomplete' attributes dynamically in JavaScript once the form
  is loaded