Saturation & Brightness/Value Gain using Oklab color space (#1477)

* Imported Oklab reference implementation

* Add Okhsv conversions

* Fixed formatting error

* Add saturation and value gain to schemas

* Add english translation for saturation, value gain

* Created OkhsvTransform

* Make OkhsvTransform configurable

* Apply OkhvsTransform

* Clamped values during transform

* Precalculate isIdentity in OkhsvTransform

* Skip OkhsvTransform if it is the identity function

* Added changelog message

* Allow for full desaturation

* Imported recommended changes by LordGrey

* Fixed typo in constant

* Fixed anti-pattern in ok_color.h

* Correct indentions

* Correct remote-control

* Limited maximum gain settings to practical range

* Renane valueGain to brightnessGain for clarity and understanding

Co-authored-by: LordGrey <lordgrey.emmel@gmail.com>

include/hyperion/ColorAdjustment.h

@@ -1,4 +1,5 @@
-#pragma once
+#ifndef COLORADJUSTMENT_H
+#define COLORADJUSTMENT_H
 
 // STL includes
 #include <QString>
@@ -6,6 +7,7 @@
 // Utils includes
 #include <utils/RgbChannelAdjustment.h>
 #include <utils/RgbTransform.h>
+#include <utils/OkhsvTransform.h>
 
 class ColorAdjustment
 {
@@ -31,4 +33,7 @@ public:
 	RgbChannelAdjustment _rgbYellowAdjustment;
 
 	RgbTransform _rgbTransform;
+	OkhsvTransform _okhsvTransform;
 };
+
+#endif // COLORADJUSTMENT_H