[4.3] Unify ColorPicker color mode slider colors

scene/gui/color_mode.cpp

@@ -254,30 +254,27 @@ void ColorModeRAW::slider_draw(int p_which) {
 		left_color.a = 0;
 		right_color = color;
 		right_color.a = 1;
-
-		col.set(0, left_color);
-		col.set(1, right_color);
-		col.set(2, right_color);
-		col.set(3, left_color);
-		pos.set(0, Vector2(0, 0));
-		pos.set(1, Vector2(size.x, 0));
-		pos.set(2, Vector2(size.x, margin));
-		pos.set(3, Vector2(0, margin));
-
-		slider->draw_polygon(pos, col);
+	} else {
+		left_color = Color(
+				p_which == 0 ? 0 : color.r,
+				p_which == 1 ? 0 : color.g,
+				p_which == 2 ? 0 : color.b);
+		right_color = Color(
+				p_which == 0 ? 1 : color.r,
+				p_which == 1 ? 1 : color.g,
+				p_which == 2 ? 1 : color.b);
 	}
-}
 
-bool ColorModeRAW::apply_theme() const {
-	for (int i = 0; i < 4; i++) {
-		HSlider *slider = color_picker->get_slider(i);
-		slider->remove_theme_icon_override("grabber");
-		slider->remove_theme_icon_override("grabber_highlight");
-		slider->remove_theme_style_override("slider");
-		slider->remove_theme_constant_override("grabber_offset");
-	}
+	col.set(0, left_color);
+	col.set(1, right_color);
+	col.set(2, right_color);
+	col.set(3, left_color);
+	pos.set(0, Vector2(0, 0));
+	pos.set(1, Vector2(size.x, 0));
+	pos.set(2, Vector2(size.x, margin));
+	pos.set(3, Vector2(0, margin));
 
-	return true;
+	slider->draw_polygon(pos, col);
 }
 
 void ColorModeOKHSL::_value_changed() {

scene/gui/color_mode.h

@@ -121,7 +121,6 @@ class ColorModeRAW : public ColorMode {
 	virtual Color get_color() const override;
 
 	virtual void slider_draw(int p_which) override;
-	virtual bool apply_theme() const override;
 
 	ColorModeRAW(ColorPicker *p_color_picker) :
 			ColorMode(p_color_picker){};