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/events/event-form.tsx

@@ -67,7 +67,7 @@ export function EventForm({ eventTypes, defaultValues }: EventFormProps) {
 		if (isEditing && defaultValues?.id) {
 			run(
 				() =>
-					updateEvent({ id: defaultValues.id!, ...data } as UpdateEventInput & {
+					updateEvent({ id: defaultValues.id, ...data } as UpdateEventInput & {
 						id: number;
 					}),
 				{