* Fix version
* Add EM metadata

  * Create a SolrSchemaUtils to provide APIs that might be needed in migrations
  * Use the new component in the migration to create the missing dynamic
    field
  * Provide documentation in SolrSchemaUtils and use a ConcurrentHashMap
    for SolrCoreSchema#fields instead of a copy of the map
  * Fix tests
  * Add a log in the migration when no action is performed
  * Improve API to allow getting / setting dynamic fields
  * Change a bit the logic of the migration to always reset the index
    and to properly check for the dynamic field and not for the title__
field

  * Improve script service to return null instead of throwing a
    SecurityException to simplify usage in scripts

* API part
* Not bundled in XS yet (need the UI + Admin UI to be able to turn it off)

Currently translated at 99.7% (4420 of 4432 strings)

Translation: XWiki Platform/XWiki Core Resources
Translate-URL: https://l10n.xwiki.org/projects/xwiki-platform/xwiki-core-resources/ru/

Currently translated at 100.0% (4 of 4 strings)

Translation: XWiki Platform/XWiki Platform - Attachment - Picker - UI
Translate-URL: https://l10n.xwiki.org/projects/xwiki-platform/xwiki-platform-attachment-picker-ui/ru/

Currently translated at 100.0% (11 of 11 strings)

Translation: XWiki Platform/Attachment - Picker - Macro
Translate-URL: https://l10n.xwiki.org/projects/xwiki-platform/attachment-picker-macro/ru/

Currently translated at 100.0% (32 of 32 strings)

Translation: XWiki Platform/Include Macro
Translate-URL: https://l10n.xwiki.org/projects/xwiki-platform/include-macro/ru/

Currently translated at 100.0% (25 of 25 strings)

Translation: XWiki Platform/JCaptcha UI
Translate-URL: https://l10n.xwiki.org/projects/xwiki-platform/jcaptcha-ui/ru/

Currently translated at 100.0% (6 of 6 strings)

Translation: XWiki Platform/Captcha UI
Translate-URL: https://l10n.xwiki.org/projects/xwiki-platform/captcha-ui/ru/

Currently translated at 100.0% (7 of 7 strings)

Translation: XWiki Platform/TemplateMacro
Translate-URL: https://l10n.xwiki.org/projects/xwiki-platform/templatemacro/ru/

Currently translated at 99.6% (4418 of 4432 strings)

Translation: XWiki Platform/XWiki Core Resources
Translate-URL: https://l10n.xwiki.org/projects/xwiki-platform/xwiki-core-resources/ru/

Currently translated at 92.3% (12 of 13 strings)

Translation: XWiki Platform/Panels.Translations
Translate-URL: https://l10n.xwiki.org/projects/xwiki-platform/panels-translations/ru/

Currently translated at 100.0% (190 of 190 strings)

Translation: XWiki Platform/AppWithinMinutes.Translations
Translate-URL: https://l10n.xwiki.org/projects/xwiki-platform/appwithinminutes-translations/ru/

Fix missed link to update after migrating to xwiki/2.1.

[Misc] Make the Environment Test pipeline work when triggered manually when it's never executed before

This reverts commits
  * d56fd930
  * 1ea01e4c
  * f1393f94



  * re-apply changes previously done
  * Add missing quoting during URI parsing to avoid parse errors.
  * Provide new API to obtain a safe URI based on a string
  * Fix since and doc

Co-authored-by: Michael Hamann <michael.hamann@xwiki.com>

* XWIKI-20575: Impossible to search pages created without locale

  * Add the missing dynamic field in managed-schema to handle fields with root
    locale
  * Provide a migration to empty the solr core in order to trigger a
    reindex
  * Add a new very simple unit test for FieldUtils
  * Add a comment on DataMigration to avoid mistake in the future
  * Change the migration to use HibernateDataMigration
  * Test that the title__ field can be used in an integration test

* Undo encoding of "|" in certain cases to recover the parameters.

Currently translated at 96.5% (4281 of 4432 strings)

Translation: XWiki Platform/XWiki Core Resources
Translate-URL: https://l10n.xwiki.org/projects/xwiki-platform/xwiki-core-resources/ja/

- Introduce an internal role (DefaultXARExtensionIndex) to know if a document is provided by an extension
- Split index-api to index-api/index-default to be able to use the api in oldcore
- Fix the escaping in invitation-ui
- Provide an automatic fix during upgrade for potential escaping issues in generated code

* Disable file upload and drag & drop when the current user doesn't have edit right on the source document and the context is restricted.

* Handle temporary attachments for users with edit right

* Create / edit / display the annotation in the context of the annotated document so that relative references are properly resolved.

This reverts commit 5b1c3e6a.

This reverts commit 1c3f22ac.

This reverts commit 01b2ad34.