DisplayCapabilities missing information in SystemCapabilityManager

[crokita]

Bug Summary

See related issues here and here.

In the converted display capabilities, ScreenParams are null, MediaClockFormats are empty, and the DisplayCapability Window ID is null.

Reproduction Steps

1. Use the SCM's getDisplayCapabilities method and print its object. Also, check the stored displays Window ID in the SCM.

Expected Behavior:
These properties exist or are not empty

Observed Behavior:
The properties do not exist or are empty.

Which projects have you seen this bug on?

Vanilla JavaScript, Node.js

JavaScript Version(s)

1.7.0

sdl_javascript Version

1.7.0

Testing Environment(s)

Tested with Manticore 2.10.0

Relevant log output

No response

[theresalech]

Closed via #552