Fix fixable Psalm errors

Signed-off-by: Gary Kim <gary@garykim.dev>

lib/Federation/CloudFederationProviderTalk.php

@@ -26,7 +26,6 @@ declare(strict_types=1);
 namespace OCA\Talk\Federation;
 
 use Exception;
-use OC\AppFramework\Http;
 use OC\HintException;
 use OCA\FederatedFileSharing\AddressHandler;
 use OCA\Talk\AppInfo\Application;
@@ -35,6 +34,7 @@ use OCA\Talk\Model\Attendee;
 use OCA\Talk\Model\AttendeeMapper;
 use OCA\Talk\Participant;
 use OCA\Talk\Service\ParticipantService;
+use OCP\AppFramework\Http;
 use OCP\DB\Exception as DBException;
 use OCP\Federation\Exceptions\ActionNotSupportedException;
 use OCP\Federation\Exceptions\AuthenticationFailedException;
@@ -172,6 +172,7 @@ class CloudFederationProviderTalk implements ICloudFederationProvider {
 			case 'RESHARE_CHANGE_PERMISSION':
 				return []; // TODO: Implement
 		}
+		return [];
 		// TODO: Implement notificationReceived() method.
 	}
 

psalm.xml

@@ -28,6 +28,7 @@
 				<referencedClass name="OCA\Circles\Model\Circle" />
 				<referencedClass name="OCA\Circles\Model\Member" />
 				<referencedClass name="OCA\DAV\CardDAV\PhotoCache" />
+				<referencedClass name="OCA\FederatedFileSharing\AddressHandler" />
 				<referencedClass name="OCA\Files_Sharing\SharedStorage" />
 			</errorLevel>
 		</UndefinedClass>
@@ -43,6 +44,7 @@
 				<referencedClass name="OC\DB\ConnectionAdapter" />
 				<referencedClass name="OCA\Circles\Model\Member" />
 				<referencedClass name="OCA\DAV\CardDAV\PhotoCache" />
+				<referencedClass name="OCA\FederatedFileSharing\AddressHandler" />
 			</errorLevel>
 		</UndefinedDocblockClass>
 		<UndefinedInterfaceMethod>