fix: use logical operator instead of bitwise

Signed-off-by: Daniel Kesselberg <mail@danielkesselberg.de>

Author: kesselb

build/psalm-baseline.xml

@@ -4044,12 +4044,6 @@
     </TypeDoesNotContainNull>
   </file>
   <file src="lib/private/Group/Group.php">
-    <InvalidArgument>
-      <code><![CDATA[bool]]></code>
-    </InvalidArgument>
-    <InvalidOperand>
-      <code><![CDATA[$hide]]></code>
-    </InvalidOperand>
     <LessSpecificReturnStatement>
       <code><![CDATA[$users]]></code>
     </LessSpecificReturnStatement>

lib/private/Group/Group.php

@@ -377,7 +377,7 @@ public function canAddUser(): bool {
 	 */
 	public function hideFromCollaboration(): bool {
 		return array_reduce($this->backends, function (bool $hide, GroupInterface $backend) {
-			return $hide | ($backend instanceof IHideFromCollaborationBackend && $backend->hideGroup($this->gid));
+			return $hide || ($backend instanceof IHideFromCollaborationBackend && $backend->hideGroup($this->gid));
 		}, false);
 	}
 }