add optional sp/haste display to player frame

modules/castbar.lua

@@ -80,8 +80,8 @@ pfUI:RegisterModule("castbar", "vanilla", function ()
     cb:SetScript("OnUpdate", function()
       -- Throttle for performance
       if (this.tick or 0) > GetTime() then return end
-      this.tick = GetTime() + 0.020 -- ~60 FPS for smooth castbar
-      
+      this.tick = GetTime() + 0.020 -- ~50 FPS for smooth castbar
+
       if this.drag and this.drag:IsShown() then
         this:SetAlpha(1)
         return
@@ -385,4 +385,4 @@ pfUI:RegisterModule("castbar", "vanilla", function ()
 
     UpdateMovable(pfUI.castbar.focus)
   end
-end)
+end)