Merge pull request #4078 from ekrctb/fix-slider-bar-tooltip-not-shown-until-value-is-changed

Fix sliders don't show tooltip until first change

osu.Game/Graphics/UserInterface/OsuSliderBar.cs

@@ -92,6 +92,12 @@ namespace osu.Game.Graphics.UserInterface
             AccentColour = colours.Pink;
         }
 
+        protected override void LoadComplete()
+        {
+            updateTooltipText(Current.Value);
+            base.LoadComplete();
+        }
+
         protected override bool OnHover(HoverEvent e)
         {
             Nub.Glowing = true;