WRGB support

[hutchyx]

Please answer the following:

FPP Version and Hardware:
7.5-6 on raspberry pi

Describe the bug
when setting color on a wrgb flood light to {"state":"ON","color":{"r":255,"g":0,"b":0}}, the light changes to all white instead of red. 0, 255, 0 changes to red. 0, 0, 255 changes to green. I'm unable to activate blue.

To Reproduce
Steps to reproduce the behavior:
send mqtt message as {"state":"ON","color":{"r":255,"g":0,"b":0}}
wrgb light will display as white

Expected behavior
display correct colors on wrgb light. If the W cannot be activated, that's fine.