Revert "Add and implement IsHostedInColorPicker property to ColorView"

This reverts commit 2575a10fb0.

src/Avalonia.Controls.ColorPicker/ColorPicker/ColorPicker.cs

@@ -11,6 +11,9 @@
         /// </summary>
         public ColorPicker() : base()
         {
+            // Completely ignore property changes here
+            // The ColorView in the control template is responsible to manage this
+            base.ignorePropertyChanged = true;
         }
     }
 }

src/Avalonia.Controls.ColorPicker/ColorView/ColorView.Properties.cs

@@ -148,14 +148,6 @@ namespace Avalonia.Controls
                 nameof(IsHexInputVisible),
                 true);
 
-        /// <summary>
-        /// Defines the <see cref="IsHostedInColorPicker"/> property.
-        /// </summary>
-        public static readonly StyledProperty<bool> IsHostedInColorPickerProperty =
-            AvaloniaProperty.Register<ColorView, bool>(
-                nameof(IsHostedInColorPicker),
-                false);
-
         /// <summary>
         /// Defines the <see cref="MaxHue"/> property.
         /// </summary>
@@ -403,22 +395,6 @@ namespace Avalonia.Controls
             set => SetValue(IsHexInputVisibleProperty, value);
         }
 
-        /// <summary>
-        /// Gets or sets a value indicating whether this <see cref="ColorView"/> is hosted
-        /// inside a <see cref="ColorPicker"/>'s control template.
-        /// </summary>
-        /// <remarks>
-        /// This is a special property to change how the <see cref="ColorView"/> internally
-        /// processes property updates. When a <see cref="ColorView"/> is hosted within a
-        /// <see cref="ColorPicker"/>, it does not need to handle most property changes.
-        /// Instead, the primary calculations are done within the <see cref="ColorPicker"/> itself.
-        /// </remarks>
-        public bool IsHostedInColorPicker
-        {
-            get => GetValue(IsHostedInColorPickerProperty);
-            set => SetValue(IsHostedInColorPickerProperty, value);
-        }
-
         /// <inheritdoc cref="ColorSpectrum.MaxHue"/>
         public int MaxHue
         {

src/Avalonia.Controls.ColorPicker/ColorView/ColorView.cs

@@ -206,26 +206,6 @@ namespace Avalonia.Controls
                 return;
             }
 
-            // Special handling for when hosted within a ColorPicker and the ColorPicker is
-            // responsible for most of the internal processing and property updates.
-            if (IsHostedInColorPicker)
-            {
-                if (change.Property == ColorProperty ||
-                    change.Property == HsvColorProperty)
-                {
-                    ignorePropertyChanged = true;
-
-                    // The Hex text isn't currently bound with the ColorPicker and therefore
-                    // must still be updated here.
-                    SetColorToHexTextBox();
-
-                    ignorePropertyChanged = false;
-                }
-
-                base.OnPropertyChanged(change);
-                return;
-            }
-
             // Always keep the two color properties in sync
             if (change.Property == ColorProperty)
             {

src/Avalonia.Controls.ColorPicker/Themes/Fluent/ColorPicker.xaml

@@ -43,11 +43,7 @@
           </DropDownButton.Content>
           <DropDownButton.Flyout>
             <Flyout FlyoutPresenterClasses="nopadding">
-              <!-- Note that IsHostedInColorPicker should always be set first.
-                   This tells the ColorView to avoid some internal processing that may
-                   conflict with the ColorPicker that is now the primary control. -->
               <ColorView x:Name="FlyoutColorView"
-                         IsHostedInColorPicker="True"
                          Color="{Binding Color, RelativeSource={RelativeSource TemplatedParent}, Mode=TwoWay}"
                          ColorModel="{Binding ColorModel, RelativeSource={RelativeSource TemplatedParent}, Mode=TwoWay}"
                          ColorSpectrumComponents="{TemplateBinding ColorSpectrumComponents}"