Create directory before checking for size (#13962)

Jellyfin.Server.Implementations/StorageHelpers/StorageHelper.cs

@@ -72,6 +72,11 @@ public static class StorageHelper
     private static void TestDataDirectorySize(string path, ILogger logger, long threshold = -1)
     {
         logger.LogDebug("Check path {TestPath} for storage capacity", path);
+        if (!Directory.Exists(path))
+        {
+            Directory.CreateDirectory(path);
+        }
+
         var drive = new DriveInfo(path);
         if (threshold != -1 && drive.AvailableFreeSpace < threshold)
         {