Calendar improvements cycle 2

Wino.Mail.WinUI/AppThemes/Garden.xaml

@@ -14,6 +14,7 @@
             <SolidColorBrush x:Key="MailListHeaderBackgroundColor">#dcfad8</SolidColorBrush>
             <SolidColorBrush x:Key="CalendarDefaultHourBackgroundBrush">#26DCFAD8</SolidColorBrush>
             <SolidColorBrush x:Key="CalendarWorkHourBackgroundBrush">#59DCFAD8</SolidColorBrush>
+            <SolidColorBrush x:Key="CalendarSelectedHourBackgroundBrush">#4D0078D4</SolidColorBrush>
             <SolidColorBrush x:Key="CalendarSeperatorBrush">#576574</SolidColorBrush>
         </ResourceDictionary>
 
@@ -22,6 +23,7 @@
             <SolidColorBrush x:Key="MailListHeaderBackgroundColor">#dcfad8</SolidColorBrush>
             <SolidColorBrush x:Key="CalendarDefaultHourBackgroundBrush">#26576574</SolidColorBrush>
             <SolidColorBrush x:Key="CalendarWorkHourBackgroundBrush">#59576574</SolidColorBrush>
+            <SolidColorBrush x:Key="CalendarSelectedHourBackgroundBrush">#66399BFF</SolidColorBrush>
         </ResourceDictionary>
     </ResourceDictionary.ThemeDictionaries>
 </ResourceDictionary>