Desktoptheme: Added colors for Dark\Light Plasma themes

Слиты Варфоломеев Алексей Александрович запросил слияние update-lf в mos-6.6.5
  • mos-dark colors modified section Selection from Mos Light, for single Accent color for TwiLight theme except only BackgroundAlternate
  • mos-light use colors similar from color-schemes