Fix some RedundantCast in dav code

For #25641

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

apps/dav/lib/CalDAV/CalDavBackend.php

@@ -2158,10 +2158,10 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 			->values($valuesToInsert)
 			->execute();
 
-		$subscriptionId = $this->db->lastInsertId('*PREFIX*calendarsubscriptions');
+		$subscriptionId = $query->getLastInsertId();
 
 		$subscriptionRow = $this->getSubscriptionById($subscriptionId);
-		$this->dispatcher->dispatchTyped(new SubscriptionCreatedEvent((int)$subscriptionId, $subscriptionRow));
+		$this->dispatcher->dispatchTyped(new SubscriptionCreatedEvent($subscriptionId, $subscriptionRow));
 		$this->legacyDispatcher->dispatch('\OCA\DAV\CalDAV\CalDavBackend::createSubscription', new GenericEvent(
 			'\OCA\DAV\CalDAV\CalDavBackend::createSubscription',
 			[

apps/dav/lib/Provisioning/Apple/AppleProvisioningPlugin.php

@@ -130,7 +130,7 @@ class AppleProvisioningPlugin extends ServerPlugin {
 		$absoluteURL = $this->urlGenerator->getBaseUrl();
 		$parsedUrl = parse_url($absoluteURL);
 		if (isset($parsedUrl['port'])) {
-			$serverPort = (int) $parsedUrl['port'];
+			$serverPort = $parsedUrl['port'];
 		} else {
 			$serverPort = 443;
 		}