Updating KeyTime to 0.2 seconds for expander in down expanded diretion (#10345)

Co-authored-by: Sia Gupta <[email protected]>

Author: github-actions[bot]

src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Styles/Expander.xaml

@@ -396,7 +396,7 @@
                                     <Storyboard>
                                         <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenterBorder" Storyboard.TargetProperty="(Border.Visibility)">
                                             <DiscreteObjectKeyFrame KeyTime="0" Value="{x:Static Visibility.Visible}" />
-                                            <DiscreteObjectKeyFrame KeyTime="0:0:5" Value="{x:Static Visibility.Collapsed}" />
+                                            <DiscreteObjectKeyFrame KeyTime="0:0:0.2" Value="{x:Static Visibility.Collapsed}" />
                                         </ObjectAnimationUsingKeyFrames>
                                         <DoubleAnimationUsingKeyFrames Storyboard.TargetName="AnimationFactorBorder" Storyboard.TargetProperty="Width">
                                             <DiscreteDoubleKeyFrame KeyTime="0" Value="0.0" />

src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Themes/Fluent.Dark.xaml

@@ -2471,7 +2471,7 @@
                   <Storyboard>
                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenterBorder" Storyboard.TargetProperty="(Border.Visibility)">
                       <DiscreteObjectKeyFrame KeyTime="0" Value="{x:Static Visibility.Visible}" />
-                      <DiscreteObjectKeyFrame KeyTime="0:0:5" Value="{x:Static Visibility.Collapsed}" />
+                      <DiscreteObjectKeyFrame KeyTime="0:0:0.2" Value="{x:Static Visibility.Collapsed}" />
                     </ObjectAnimationUsingKeyFrames>
                     <DoubleAnimationUsingKeyFrames Storyboard.TargetName="AnimationFactorBorder" Storyboard.TargetProperty="Width">
                       <DiscreteDoubleKeyFrame KeyTime="0" Value="0.0" />

src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Themes/Fluent.HC.xaml

@@ -2452,7 +2452,7 @@
                   <Storyboard>
                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenterBorder" Storyboard.TargetProperty="(Border.Visibility)">
                       <DiscreteObjectKeyFrame KeyTime="0" Value="{x:Static Visibility.Visible}" />
-                      <DiscreteObjectKeyFrame KeyTime="0:0:5" Value="{x:Static Visibility.Collapsed}" />
+                      <DiscreteObjectKeyFrame KeyTime="0:0:0.2" Value="{x:Static Visibility.Collapsed}" />
                     </ObjectAnimationUsingKeyFrames>
                     <DoubleAnimationUsingKeyFrames Storyboard.TargetName="AnimationFactorBorder" Storyboard.TargetProperty="Width">
                       <DiscreteDoubleKeyFrame KeyTime="0" Value="0.0" />

src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Themes/Fluent.Light.xaml

@@ -2468,7 +2468,7 @@
                   <Storyboard>
                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenterBorder" Storyboard.TargetProperty="(Border.Visibility)">
                       <DiscreteObjectKeyFrame KeyTime="0" Value="{x:Static Visibility.Visible}" />
-                      <DiscreteObjectKeyFrame KeyTime="0:0:5" Value="{x:Static Visibility.Collapsed}" />
+                      <DiscreteObjectKeyFrame KeyTime="0:0:0.2" Value="{x:Static Visibility.Collapsed}" />
                     </ObjectAnimationUsingKeyFrames>
                     <DoubleAnimationUsingKeyFrames Storyboard.TargetName="AnimationFactorBorder" Storyboard.TargetProperty="Width">
                       <DiscreteDoubleKeyFrame KeyTime="0" Value="0.0" />