refactor: remove duplication of DescriptionTextBoxHeight

Author: Xiphereal

Desktop/App.xaml

@@ -1,6 +1,8 @@
 <Application x:Class="Desktop.App"
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:sys="clr-namespace:System;assembly=mscorlib"
+
              DispatcherUnhandledException="App_OnDispatcherUnhandledException">
     <Application.Resources>
         <ResourceDictionary>
@@ -9,6 +11,7 @@
                     Source="pack://application:,,,/PresentationFramework.Fluent;component/Themes/Fluent.xaml" />
             </ResourceDictionary.MergedDictionaries>
             <Thickness x:Key="DefaultMargin">20</Thickness>
+            <sys:Double x:Key="DescriptionTextBoxHeight">75</sys:Double>
         </ResourceDictionary>
     </Application.Resources>
 </Application>

Desktop/Tasks/TaskCreation.xaml

@@ -22,7 +22,8 @@
         <Label Content="_Name:" Target="{Binding ElementName=Name}" />
         <TextBox Grid.Row="1" Name="Name" />
         <Label Grid.Row="2" Content="_Description:" Target="{Binding ElementName=Description}" />
-        <TextBox Grid.Row="3" Name="Description" Height="75" AcceptsReturn="True" TextWrapping="Wrap"
+        <TextBox Grid.Row="3" Name="Description" Height="{StaticResource DescriptionTextBoxHeight}"
+                 AcceptsReturn="True" TextWrapping="Wrap"
                  VerticalAlignment="Stretch" />
         <Button AutomationProperties.AutomationId="SaveTask" Grid.Row="4" Content="Add" HorizontalAlignment="Right"
                 IsDefault="True"

Desktop/Tasks/TaskEditing.xaml

@@ -11,7 +11,8 @@
             <Label Content="_Name:" Target="{Binding ElementName=Name}" />
             <TextBox Name="Name" />
             <Label Content="_Description:" Target="{Binding ElementName=Description}" />
-            <TextBox Name="Description" Height="75" AcceptsReturn="True" TextWrapping="Wrap"
+            <TextBox Name="Description" Height="{StaticResource DescriptionTextBoxHeight}" AcceptsReturn="True"
+                     TextWrapping="Wrap"
                      VerticalAlignment="Stretch" />
             <Button IsDefault="True" Content="Save" HorizontalAlignment="Right" Click="SaveTask" />
         </StackPanel>