fix(catalog): show real material names, not categories, across quote views

New shared materialLabel() renders the global materials.name with brand/specs
appended only when not already part of the name (deduped; «؟» fallback kept).
Replaces the category-first composer in five places: supplier card badges
(CategoryPage), dashboard item lines (QuoteCard), ledger items summary,
project rows and purchase history. Also fixes the stale Units subtitle
«ضریب تبدیل همان دسته» → «ضریب تبدیل متریال» (category model kept).

frontend/src/pages/Projects/ProjectsPage.tsx

@@ -19,7 +19,7 @@ import {
   activeItems,
   lineItemTotal,
   materialById,
-  materialSpecs,
+  materialLabel,
   refConverted,
   supplierById,
 } from "../../lib/quoteUtils";
@@ -154,9 +154,7 @@ function renderProjectDetail(store: Store, name: string): React.ReactElement {
 
   const matName = (mid: string) => {
     const m = materialById(store.materials, mid);
-    if (m.category === "؟") return "؟";
-    const specs = materialSpecs(m);
-    return `${m.category} ${m.brand}${specs.length ? " · " + specs.join(" · ") : ""}`;
+    return materialLabel(m);
   };
 
   const supName = (sid: string) => {