EZP-23037: implement PermissionSubtree criterion
EZP-23037: permissions use PermissionSubtree criterion
EZP-23037: Solr handler for both Subtree and PermissionSubtree
EZP-23037: Legacy Storage Location search handler for both Subtree and PermissionSubtree
EZP-23037: implement Legacy Storage Content search handler for PermissionSubtree
EZP-23037: add join state property on SelectDoctrineQuery
EZP-23037: configure PermissionSubtree criterion handler
EZP-23037: fix property docblocks
Merge pull request #912 from ezsystems/fix-EZP-23037-search-tree-join

Fix EZP-23037: Subtree criterion in Legacy Storage Content search does not scale