DeliveryAdminWindow: Add button to correct tare

Elwig/Dialogs/ManualWeighingDialog.xaml

@@ -4,6 +4,7 @@
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:Elwig.Dialogs"
+        xmlns:ctrl="clr-namespace:Elwig.Controls"
         ResizeMode="NoResize" ShowInTaskbar="False" Topmost="True"
         WindowStartupLocation="CenterOwner"
         FocusManager.FocusedElement="{Binding ElementName=WeightInput}"
@@ -37,11 +38,9 @@
         </Grid.ColumnDefinitions>
 
         <Label Content="Gewicht:" Margin="10,20,10,10"/>
-        <Grid Grid.Column="1" Width="70" Height="25" Margin="0,20,10,10" HorizontalAlignment="Left" VerticalAlignment="Top">
-            <TextBox x:Name="WeightInput" TextAlignment="Right" Padding="2,2,17,2"
-                     TextChanged="WeightInput_TextChanged"/>
-            <Label Content="kg" Margin="0,4,3,0" HorizontalAlignment="Right" FontSize="10" Padding="2,4,2,4"/>
-        </Grid>
+        <ctrl:UnitTextBox x:Name="WeightInput" Grid.Column="1" Width="62" Height="25" Unit="kg"
+                          Margin="0,20,10,10" HorizontalAlignment="Left" VerticalAlignment="Top" FontSize="14" Padding="2"
+                          TextChanged="WeightInput_TextChanged"/>
 
         <Label Content="Grund:" Margin="10,50,10,10"/>
         <TextBox x:Name="ReasonInput" Grid.Column="1" Margin="0,50,10,10"