Adding "random" to the acceptable inputs for the --color switch to align with GUI

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* Allows for the selection of color_mode = MODE_COLORS_RANDOM from the CLI for devices that support it
* For all other implementations will return a random colour from the `human_colors` struct

* To avoid filtering in the profile manager and to ensure that color_mode is set to MODE_COLORS_RANDOM correctly
for HW that has the mode flags

MODE_FLAG_HAS_RANDOM_COLOR | MODE_FLAG_HAS_PER_LED_COLOR

The values for speed_min, speed_max, colors_min and colors_max NEED to be initialised to allow for a saved
profile to load correctly in `ProfileManager::LoadDeviceFromListWithOptions`

Commit amended by Adam Honse <calcprogrammer1@gmail.com> to remove Aura SMBus change, will add as its own
commit.

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