FEXServer: Be robust against invalid packets.

Chrome seems to like sending us invalid packets of data sometimes. With
an invalid packet type just skip parsing the data entirely.

Fixes an infinite loop in Vampire Survivors.

Source/Tools/FEXServer/ProcessPipe.cpp

@@ -431,6 +431,9 @@ namespace ProcessPipe {
           // Invalid
         case FEXServerClient::PacketType::TYPE_ERROR:
         default:
+          // Something sent us an invalid packet. To ensure we don't spin infinitely, consume all the data.
+          LogMan::Msg::EFmt("[FEXServer] InvalidPacket size received 0x{:x} bytes", CurrentRead - CurrentOffset);
+          CurrentOffset = CurrentRead;
           break;
       }
     }