Fix AttachmentSelectorPageTest missing components.

* Publish 'selectize' and 'xwiki-selectize' to the global RequireJS config ('xwiki-selectize' being part of the XWiki WAR)
* Modify attachment picker to use the standard 'xwiki-l10n' module and drop the need for Velocity code
* Update suggest* modules (that depend on 'xwiki-selectize') and update their usages (Velocity evaluation not needed anymore)

(cherry picked from commit 58e252ec)

* Quick fix to emphasize the problem.

(cherry picked from commit b0beea17)

XWIKI-19902: Potential error log caused by not existing user during R140401000XWIKI15460 migration (#1873)

* XWIKI-19902: Potential error log caused by not existing user during R140401000XWIKI15460 migration

- Add a control for the existence of the user's wiki on org.xwiki.user.internal.document.DocumentUserManager.exists(org.xwiki.user.UserReference)
- When removing user's notifications in R140401000XWIKI15460DataMigration, verify if their is still notifications to remove before removing unknown user's notifications
- Introduce `UserException` in module `xwiki-platform-user-api`
- Allow `org.xwiki.user.UserManager.exists` to throw a `UserException`
- Take into account `xwiki-platform-user-api` in the rest of the codebase

XWIKI-19912: The tree on the Export modal doesn't have the context menu as the tree on the Export Wiki administration section

(cherry picked from commit 4e97bc1b)

(cherry picked from commit 54172ed8)

XWIKI-19931: Office format export options are not displayed anymore after installing PDF Export Application

(cherry picked from commit 40958e08)

(cherry picked from commit 2317a42e)

(cherry picked from commit 2d170dd4)

* Cookies can be duplicated. The code shouldn't break when it happens. Also, it's good to log all cookies, even duplicated ones.

(cherry picked from commit 3281b70d)

* fix deprecated call

(cherry picked from commit 66caae74)

(cherry picked from commit 2fc20891)

(cherry picked from commit fb49b4f2)

(cherry picked from commit d06f85cd)

XWIKI-19897: xwiki-platform-search-ui and xwiki-platform-search-solr-ui end up installed as root in the standard flavor

Move xwiki-platform-search-solr-ui from to xwiki-platform-attachment-picker-webjar to xwiki-platform-attachment-picker-ui and make it optional.

  * Use the appropriate filter for odt documents

(cherry picked from commit c6d7578d)

(cherry picked from commit e9eb58a9)

* improve the condition to skip integration tests dedicated modules

(cherry picked from commit a59ea98f)

* forbid XAR dependencies in JAR and WEBJAR extensions by default

(cherry picked from commit 62db0e64)

Use a generic method to detect if the edit form field is visible to the user, the previous way was creating flickers.

(cherry picked from commit b389120d)

XWIKI-19270: Add support for performing the PDF export using a browser running in a Docker container
* Cherry-pick test framework changes from platform in order to be able to run the PDF export functional test.

XWIKI-19270: Add support for performing the PDF export using a browser running in a Docker container
* Add support for the case when XWiki itself also runs inside a Docker container (DOOD). Fix failing functional test on CI
XWIKI-19873: Add support for using a remote Chrome instance for PDF export

(cherry picked from commit 0c299363)

XWIKI-19270: Add support for performing the PDF export using a browser running in a Docker container
* Add configuration to control whether the Chrome Docker container is reused (managed) or not. Default to false (i.e. drop the container when XWiki stops)
* Rename getChromeDockerHostName to getXWikiHost, because XWiki may not run on the same machine as where the Chrome container runs (XWiki may be itself in a Docker container)

(cherry picked from commit b3641b3e)

  * Move the CSS property in xwiki.selectize.css so that it's available
    in every picker

(cherry picked from commit 0c1e64f3)

XWIKI-19451: Edit control cannot be reached for livedata for columns which are much larger than their content

Make the tooltip follow the cursor horizontally to minimize the distant to access the actions.

(cherry picked from commit 4fe44d29)

XWIKI-19270: Add support for performing the PDF export using a browser running in a Docker container
* Fix issue reported by sonarcloud (use try-with-resource for CreateContainerCmd)
* Connect to the headless Chrome using the IP of the Docker container instead of localhost (required when the XWiki instance is also inside a Docker container)

(cherry picked from commit 71a803c2)

Use waitUntilElementIsVisible instead calling find to assert if the no result warning message is displayed to allow for retry in case the message takes time to become visible.