tracking: move menu refresh into separate function

modules/tracking.lua

@@ -72,26 +72,7 @@ pfUI:RegisterModule("tracking", "vanilla", function ()
     end
 
     this:RefreshSpells()
-    local texture = GetTrackingTexture()
-    if texture and texture ~= state.texture then
-      state.texture = texture
-      this.pulse = nil
-      this.icon:SetTexture(texture)
-      this.icon:SetVertexColor(1,1,1,1)
-      this:Show()
-    elseif not texture then
-      state.texture = nil
-
-      if pulse and HasEntries(state.spells) then
-        this.pulse = true
-        this.icon:SetTexture("Interface\\Icons\\INV_Misc_QuestionMark")
-        this.icon:SetVertexColor(1,1,1,1)
-        this:Show()
-      else
-        this.pulse = nil
-        this:Hide()
-      end
-    end
+    this:RefreshMenu()
   end)
 
   pfUI.tracking:SetScript("OnUpdate", function()
@@ -174,6 +155,29 @@ pfUI:RegisterModule("tracking", "vanilla", function ()
     end
   end
 
+  function pfUI.tracking:RefreshMenu()
+    local texture = GetTrackingTexture()
+    if texture and texture ~= state.texture then
+      state.texture = texture
+      pfUI.tracking.pulse = nil
+      pfUI.tracking.icon:SetTexture(texture)
+      pfUI.tracking.icon:SetVertexColor(1,1,1,1)
+      pfUI.tracking:Show()
+    elseif not texture then
+      state.texture = nil
+
+      if pulse and HasEntries(state.spells) then
+        pfUI.tracking.pulse = true
+        pfUI.tracking.icon:SetTexture("Interface\\Icons\\INV_Misc_QuestionMark")
+        pfUI.tracking.icon:SetVertexColor(1,1,1,1)
+        pfUI.tracking:Show()
+      else
+        pfUI.tracking.pulse = nil
+        pfUI.tracking:Hide()
+      end
+    end
+  end
+
   function pfUI.tracking:PlayerIsDruidInCatForm(playerClass)
     if playerClass == "DRUID" then
       for i = 0, 31 do