Switch HSV to the default colorspace for character customization (#38434)

* Made HSV default for character editor

* Adds/fixes comments to HSV defaulting

* Added dropbox fix, potentially cursed

* Revert "Added dropbox fix, potentially cursed"

This reverts commit a709883366fbee813e839742125e70844672af29.

---------

Co-authored-by: TrixxedHeart <46364955+TrixxedBit@users.noreply.github.com>

Content.Client/Humanoid/SingleMarkingPicker.xaml.cs

@@ -15,7 +15,7 @@ public sealed partial class SingleMarkingPicker : BoxContainer
     [Dependency] private readonly IEntityManager _entityManager = default!;
 
     private readonly SpriteSystem _sprite;
-    
+
     /// <summary>
     ///     What happens if a marking is selected.
     ///     It will send the 'slot' (marking index)
@@ -231,6 +231,7 @@ public sealed partial class SingleMarkingPicker : BoxContainer
                 HorizontalExpand = true
             };
             selector.Color = marking.MarkingColors[i];
+            selector.SelectorType = ColorSelectorSliders.ColorSelectorType.Hsv; // defaults color selector to HSV
 
             var colorIndex = i;
             selector.OnColorChanged += color =>