Got at least one data fetching method working; turns out, we can't use a patched LogicStack to get the data

Vendor/EmbedIO-3.5.2/Internal/RequestHandlerPassThroughException.cs

@@ -0,0 +1,15 @@
+using System;
+
+namespace EmbedIO.Internal
+{
+// This exception is only created and handled internally,
+// so it doesn't need all the standard the bells and whistles.
+#pragma warning disable CA1032 // Add standard exception constructors
+#pragma warning disable CA1064 // Exceptions should be public
+
+    internal class RequestHandlerPassThroughException : Exception
+    {
+    }
+#pragma warning restore CA1032
+#pragma warning restore CA1064
+}