perf: colorful sleep

src/MaaWpfGui/Res/Themes/Dark.xaml

@@ -138,4 +138,7 @@
     <SolidColorBrush x:Key="BoskyPlaytimeIS" Color="#baabb0" />
     <SolidColorBrush x:Key="BoskyDoubtsIS" Color="#b5b09a" />
 
+    <!--  DeepSleep  -->
+    <SolidColorBrush x:Key="DeepSleepBrush" Color="#5686FE" />
+
 </ResourceDictionary>

src/MaaWpfGui/Res/Themes/Light.xaml

@@ -120,4 +120,7 @@
     <SolidColorBrush x:Key="BoskyPlaytimeIS" Color="#998a8f" />
     <SolidColorBrush x:Key="BoskyDoubtsIS" Color="#948f79" />
 
+    <!--  DeepSleep  -->
+    <SolidColorBrush x:Key="DeepSleepBrush" Color="#3964FE" />
+
 </ResourceDictionary>

src/MaaWpfGui/Views/UI/TaskQueueView.xaml

@@ -421,9 +421,11 @@
                         <Button.Style>
                             <Style BasedOn="{StaticResource MaaButtonDefaultStyle}" TargetType="Button">
                                 <Setter Property="hc:IconElement.Geometry" Value="{x:Null}" />
+                                <Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}" />
                                 <Style.Triggers>
                                     <DataTrigger Binding="{Binding ShowDeepSleepIcon}" Value="True">
                                         <Setter Property="hc:IconElement.Geometry" Value="{StaticResource DeepSleep}" />
+                                        <Setter Property="Foreground" Value="{DynamicResource DeepSleepBrush}" />
                                     </DataTrigger>
                                 </Style.Triggers>
                             </Style>