ux: layout for CreateBranch popup (#1896)

Signed-off-by: leo <[email protected]>

Author: love-linger

src/Views/CreateBranch.axaml

@@ -13,7 +13,7 @@
     <TextBlock FontSize="18"
                Classes="bold"
                Text="{DynamicResource Text.CreateBranch.Title}"/>
-    <Grid Margin="0,16,0,0" RowDefinitions="32,32,32,Auto,Auto,Auto" ColumnDefinitions="140,*">
+    <Grid Margin="8,16,0,0" RowDefinitions="32,32,32,Auto,Auto,Auto" ColumnDefinitions="Auto,*">
       <TextBlock Grid.Row="0" Grid.Column="0"
                  HorizontalAlignment="Right" VerticalAlignment="Center"
                  Margin="0,0,8,0"