clear the cached storage info after it was flagged unavailable

so that follow up operations against this one do not try to reauth and
cause lock outs

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

lib/private/Files/Cache/Storage.php

@@ -173,6 +173,7 @@ class Storage {
 		$sql = 'UPDATE `*PREFIX*storages` SET `available` = ?, `last_checked` = ? WHERE `id` = ?';
 		$available = $isAvailable ? 1 : 0;
 		\OC_DB::executeAudited($sql, [$available, time() + $delay, $this->storageId]);
+		self::getGlobalCache()->clearStorageInfo($this->storageId);
 	}
 
 	/**

lib/private/Files/Cache/StorageGlobal.php

@@ -85,4 +85,10 @@ class StorageGlobal {
 	public function clearCache() {
 		$this->cache = [];
 	}
+
+	public function clearStorageInfo(string $storageId) {
+		if(isset($this->cache[$storageId])) {
+			unset($this->cache[$storageId]);
+		}
+	}
 }