XWIKI-8263: Allow providing translations in a jar extension
[misc] Fix a typo in @since comment
XWIKI-8683: Give access to Class property pretty name translation from public API
Remove leftover
XWIKI-8534: Add missing translation keys for Search administration page
XWIKI-8621: Allow indicating the list of "valid" extensions types in Repository
List property creation does not make any sense
XWIKI-8685: Chart macro should use current document as reference when resolving "document" parameter.
[misc] Added missing action mapping for "temp" action in new right service implementation.
XWIKI-8686: Add a component to delegate programming rights to filesystem templates, in particular suggest.vm.
XWIKI-8621: Allow indicating the list of "valid" extensions types in Repository
Lets try something else
XWIKI-8687: Allow the user to specify the previously installed UI when upgrading from very old versions
* A first version.
XWIKI-8621: Allow indicating the list of "valid" extensions types in Repository
Found and fixed the real issue...
XWIKI-8630 : Failed to create wiki component(s) during default XAR import
XWIKI-8687: Allow the user to specify the previously installed UI when upgrading from very old versions
* Auto-complete the previous UI id based on the selected version (allowing the user to change it).
XWIKI-8681: XWikiAttachmentContent on-disk file cache leak open file descriptors.
After applying this patch, the files nolonger show up as open in `lsof -p<pid>`
XWIKI-8688: Add support for upgrading refactored XAR extensions
XWIKI-8630 : Failed to create wiki component(s) during default XAR import

Fixed a bug : components could be re-registered where an exception should have been thrown.
Filtered out wiki components forbidden re-registration warnings at wiki startup (not supposed to happen) and after XAR import (harmless, can happen).
XWIKI-8692: Add a cache to link extension id to document
XWIKI-8688: Add support for upgrading refactored XAR extensions
Various improvements and new tests
XWIKI-8688: Add support for upgrading refactored XAR extensions
More tests