Fix #413

src/PixiEditor/Views/UserControls/Palettes/PaletteColorAdder.xaml

@@ -16,7 +16,8 @@
             Style="{StaticResource DefaultColorPickerStyle}" Width="50" Focusable="False" Margin="0 0 10 0"
             ShowAlpha="False"/>
         <Button Name="AddButton" Margin="0" Width="24" Height="24" 
-                Style="{StaticResource ToolButtonStyle}" 
+                Style="{StaticResource ToolButtonStyle}"
+                ToolTip="Add color"
                 Cursor="Hand"  Click="Button_Click">
             <Button.Background>
                 <ImageBrush ImageSource="/Images/Plus-square.png"/>

src/PixiEditor/Views/UserControls/Palettes/PaletteColorAdder.xaml.cs

@@ -7,9 +7,6 @@ using BackendColor = PixiEditor.DrawingApi.Core.ColorsImpl.Color;
 
 namespace PixiEditor.Views.UserControls.Palettes;
 
-/// <summary>
-/// Interaction logic for PaletteColorAdder.xaml
-/// </summary>
 internal partial class PaletteColorAdder : UserControl
 {
     public WpfObservableRangeCollection<BackendColor> Colors