fix(dav): ACLs for shared addressbooks

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

[skip ci]

Author: ChristophWurst

apps/dav/lib/CardDAV/AddressBook.php

@@ -118,7 +118,7 @@ public function getACL() {
 			],
 			[
 				'privilege' => '{DAV:}write-properties',
-				'principal' => '{DAV:}authenticated',
+				'principal' => $this->getOwner(),
 				'protected' => true,
 			],
 		];
@@ -129,6 +129,11 @@ public function getACL() {
 				'principal' => '{DAV:}authenticated',
 				'protected' => true,
 			];
+			$acl[] = [
+				'privilege' => '{DAV:}write-properties',
+				'principal' => '{DAV:}authenticated',
+				'protected' => true,
+			];
 		}
 
 		if (!$this->isShared()) {