Backport pull request #11894 from jellyfin/release-10.9.z

Escape tmpConcatPath for DVD and BD folder

Original-merge: 26419c64f5

Merged-by: crobibero <cody@robibe.ro>

Backported-by: Joshua M. Boniface <joshua@boniface.me>

MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs

@@ -1189,8 +1189,9 @@ namespace MediaBrowser.Controller.MediaEncoding
             {
                 var tmpConcatPath = Path.Join(_configurationManager.GetTranscodePath(), state.MediaSource.Id + ".concat");
                 _mediaEncoder.GenerateConcatConfig(state.MediaSource, tmpConcatPath);
-                arg.Append(" -f concat -safe 0 -i ")
-                    .Append(tmpConcatPath);
+                arg.Append(" -f concat -safe 0 -i \"")
+                    .Append(tmpConcatPath)
+                    .Append("\" ");
             }
             else
             {