ESLint --fix: auto-fix brace-style, indent, semi, no-trailing-spaces

Run eslint --fix across src/ to clear ~1900 mechanical lint errors
surfaced by the @typescript-eslint v8 + react-hooks v7 + react-compiler
upgrade in the React 19 modernization PR.

Issues fixed automatically:
- brace-style (Allman): try/catch one-liners reformatted to multi-line
- indent: tab-vs-space and depth corrections
- semi: missing trailing semicolons
- no-trailing-spaces

No semantic changes. Remaining 701 errors are real-code issues
(set-state-in-effect, rules-of-hooks, no-unsafe-* type checks) that
need manual per-file review.

https://claude.ai/code/session_01GrR87LAqnAEyKG2ZbmQt5Q

src/components/catalog/views/page/widgets/CatalogPurchaseWidgetView.tsx

@@ -89,7 +89,10 @@ export const CatalogPurchaseWidgetView: FC<CatalogPurchaseWidgetViewProps> = pro
         isPurchasingCatalogItem = true;
         setPurchaseState(CatalogPurchaseState.PURCHASE);
 
-        setTimeout(() => { isPurchasingCatalogItem = false; }, 10000);
+        setTimeout(() =>
+        {
+            isPurchasingCatalogItem = false;
+        }, 10000);
 
         if(purchaseCallback)
         {