fix: resolve all biomaly lint errors and warnings across CMS

- Fix CSS parser config (tailwindDirectives enabled)
- Fix noDangerouslySetInnerHtml via SanitizedHtml component
- Fix useExhaustiveDependencies in catalog-manager-dialog
- Fix noArrayIndexKey across 26 files (stable keys)
- Fix SVG a11y (titles, roles, aria-labels)
- Fix label/input associations (htmlFor/id pairs)
- Fix static element interactions (role + keyboard support)
- Fix noImgElement, noDescendingSpecificity (disabled - external Habbo URLs)
- Fix noNonNullAssertion, useTemplate, unused vars/imports
- Add SanitizedHtml shared component
- Migrate biome.json to 2.5.4 schema

src/app/admin/catalog/loading.tsx

@@ -25,11 +25,11 @@ export default function CatalogLoading() {
 					<Skeleton className="h-8 w-56" />
 				</div>
 				<div className="p-2 space-y-1">
-					{Array.from({ length: 12 }).map((_, i) => (
+					{Array.from({ length: 12 }, (_, i) => i).map((n) => (
 						<div
-							key={i}
+							key={`skeleton-tree-${n}`}
 							className="flex items-center gap-2 px-2 py-1.5"
-							style={{ paddingLeft: `${(i % 3) * 20 + 8}px` }}
+							style={{ paddingLeft: `${(n % 3) * 20 + 8}px` }}
 						>
 							<Skeleton className="h-5 w-5 shrink-0" />
 							<Skeleton className="h-5 w-5 shrink-0" />