Add fixmes for incorrect byte orders

As pointed out on the Discord. Fixing this will require a breaking
change, but right we report incorrect plugin IDs meaning that projects
saved under Windows cannot be opened under Linux with yabridge so this
really needs a fix.

src/common/serialization/vst3/host-context/plug-interface-support.h

@@ -66,6 +66,9 @@ class YaPlugInterfaceSupport : public Steinberg::Vst::IPlugInterfaceSupport {
      * Message to pass through a call to
      * `IPlugInterfaceSupport::isPlugInterfaceSupported(iid)` to the host
      * context provided by the host.
+     *
+     * TODO: Figure out if we should translate the UIDs from Windows COM to
+     *       non-Windows COM.
      */
     struct IsPlugInterfaceSupported {
         using Response = UniversalTResult;