Individual Lights page functionality #29

Suggested behavior:
Entering page by pressing a Brightness Lights:
Only Brightness slider visble

Entering page by pressing a Brightness and Color Temp Light:
Brightness and Color Temp Slider are visible.

Entering page by pressing a Brightness, Color Temp and Color Light:
Brightness and Color Temp Slider are visible. Color symbol in top right corner visible.
By pressing the color symbol user toggles color mode.

• Color symbol in top right corner changes to color temp symbol.
• Color temp slider should disappear, Saturation and Color slider should appear.
  Pressing color temp symbol toggles back to color temp mode.