XWIKI-20426: The backlinks section of the delete UI no longer displayed backlink documents

* refactoring

Currently translated at 63.6% (105 of 165 strings)

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

* display the new target option even if there are 0 backlinks

* in order to not conditionate the display of Create automatic redirect to Update links, move these options along with New target outside of the accordion and remove it
* disable options when a new target is not selected, instead of hidding them
* update hints to be more explicit; also, get back the Update links hint, to have the backlinks url included here
* update tests

Currently translated at 100.0% (19 of 19 strings)

Translation: XWiki Platform/Display Macro
Translate-URL: https://l10n.xwiki.org/projects/xwiki-platform/display-macro/uk/

Currently translated at 100.0% (29 of 29 strings)

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

Currently translated at 100.0% (29 of 29 strings)

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

Currently translated at 100.0% (15 of 15 strings)

Translation: XWiki Platform/Help.Translations
Translate-URL: https://l10n.xwiki.org/projects/xwiki-platform/help-translations/uk/

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/uk/

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/uk/

Currently translated at 99.7% (4416 of 4428 strings)

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

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/de/

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/ja/

Currently translated at 100.0% (30 of 30 strings)

Translation: XWiki Platform/Macros.TreeTranslations
Translate-URL: https://l10n.xwiki.org/projects/xwiki-platform/macros-treetranslations/ja/

Currently translated at 98.0% (49 of 50 strings)

Translation: XWiki Platform/XWiki.DocumentTreeTranslations
Translate-URL: https://l10n.xwiki.org/projects/xwiki-platform/xwiki-documenttreetranslations/ja/

Currently translated at 96.6% (4281 of 4428 strings)

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

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/ja/

Currently translated at 82.7% (24 of 29 strings)

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

* save work

Currently translated at 99.7% (4416 of 4428 strings)

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

* removed not needed space

* Fixed xwiki properties

Change replaceAll to the more performant replace.

* fix javadoc

Fix a flickering issue based on global attachment name filtering.

* Warn when the user doesn't have script right.
* Ensure that in integration tests the users have script right.
* Add an explicit test for the behavior without script right.
* Fix missing dependency.
* Actually delete the preferences in AppsLiveTableIT.

* Test job trigger when having several Jenksinfile files