Merge pull request #6252 from IvenBach/issue5397_display_tooltip_immediately_to_inform_rename_prohibition_reason

Issue5397 display tooltip immediately to inform error reason

Author: retailcoder

Rubberduck.Core/UI/Styles/DefaultStyle.xaml

@@ -135,6 +135,9 @@
                 </ControlTemplate>
             </Setter.Value>
         </Setter>
+        <Setter Property="ToolTipService.InitialShowDelay">
+            <Setter.Value>0</Setter.Value>
+        </Setter>
         <Style.Triggers>
             <Trigger Property="Validation.HasError"
                      Value="True">