NTFS load order, a title-sorted AddOns list, and tooltips at the cursor

- addons load in the order NTFS lists a folder, case-insensitive with an underscore before the letters, the order the vanilla corpus was written against and the one that decides which addon provides a shared library (2178)
- GetNumAddOns and the index form of every AddOn verb walk a title-sorted list that hides the Blizzard addons the server says to hide, and the character-select AddOns list is in title order (2175)
- SetPoint and SetAllPoints raise the reference's own errors for a frame name that does not exist or an omitted relative frame instead of quietly anchoring to the parent, and an explicit nil means the screen root (2176)
- a tooltip owned with ANCHOR_CURSOR follows the mouse, which pfUI's tooltip, xpbar and chat modules, pfQuest's browser and TipBuddy ask for; an omitted or unknown anchor is ANCHOR_LEFT (2176)
- a $parent name handed to CreateFrame, CreateTexture or CreateFontString expands as it does in XML, so FonzAppraiser's thirty dropdowns and pfQuest's search icon get the names they asked for (2176)

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

crates/benilla-ui/src/script/worldmap_arrow.rs

@@ -361,9 +361,9 @@ mod tests {
         let mut s = UiScript::new().unwrap();
         s.set_screen_size(1024.0, 768.0);
         s.run(
-            r#"WM = CreateFrame("Frame", "WM") WM:SetWidth(1024); WM:SetHeight(768) WM:SetPoint("CENTER")
+            r#"WM = CreateFrame("Frame", "WM") WM:SetWidth(1024); WM:SetHeight(768) WM:SetPoint("CENTER", 0, 0)
                Detail = CreateFrame("Frame", "WorldMapDetailFrame", WM)
-               Detail:SetWidth(1002); Detail:SetHeight(668) Detail:SetPoint("CENTER")"#,
+               Detail:SetWidth(1002); Detail:SetHeight(668) Detail:SetPoint("CENTER", 0, 0)"#,
         )
         .unwrap();
         s