message: Default edit view width cuts off start/end time in the 12-hour format
diff: <RowDefinition Height="Auto"/>
  </Grid.RowDefinitions>
  <Grid.ColumnDefinitions>
  - <ColumnDefinition Width="23*" />
  - <ColumnDefinition Width="16*"/>
  + <ColumnDefinition Width="19*" />
  + <ColumnDefinition Width="18*"/>
  <ColumnDefinition Width="Auto"/>
  - <ColumnDefinition Width="16*" />
  + <ColumnDefinition Width="18*" />
  </Grid.ColumnDefinitions>
  <TextBlock Style="{DynamicResource Toggl.BodyText}" Margin="0 0 0 8" Text="Duration" />
  <toggl:ExtendedTextBox x:Name="durationTextBox" x:FieldModifier="private" Grid.Row="1" Grid.Column="0"
  