fix: skip caching lastSeenQuotaUsage for remote shares

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

[skip ci]

Author: kesselb

apps/dav/tests/unit/Connector/Sabre/DirectoryTest.php

@@ -357,6 +357,7 @@ public function testGetQuotaInfoSpecific(): void {
 			->willReturnMap([
 				['\OCA\Files_Sharing\SharedStorage', false],
 				['\OC\Files\Storage\Wrapper\Quota', true],
+				[\OCA\Files_Sharing\External\Storage::class, false],
 			]);
 
 		$storage->expects($this->once())

lib/private/legacy/OC_Helper.php

@@ -596,7 +596,7 @@ public static function getStorageInfo($path, $rootInfo = null, $includeMountPoin
 			'mountPoint' => trim($mountPoint, '/'),
 		];
 
-		if ($ownerId && $path === '/') {
+		if ($isRemoteShare === false && $ownerId !== false && $path === '/') {
 			// If path is root, store this as last known quota usage for this user
 			\OCP\Server::get(\OCP\IConfig::class)->setUserValue($ownerId, 'files', 'lastSeenQuotaUsage', (string)$relative);
 		}