+ [J4] Adds ability to use conditions inside else tags (and therefore be able to chain them)
^ Changes installer to use a package manifest instead of a custom installer plugin
^ Updated some php code to use PHP 7.4 standards
^ Updates translations: sv-SE, tr-TR
# [J4] Fixes issue with not being able to save description or category in the Condition Set
# [J4] Fixes issue with using conditions by their alias not working
# [J4] Updates editor button icon
# [J4][PRO] Fixes issue with $app object and $Itemid value in PHP condition not working correctly