refactor: remove additional dead exports and unused actions

Remove buildFontUrl, measureText, uncached, invalidateCache, fetchJsonWithFlareSolver, upsertPermission, deletePermission, bulkImportPermissions, clearAllPermissions, bulkDeletePermissions, bulkDeletePhotos, userReplyTicket, closeTicketByUser. Update staff-smoke-contract test for bulkDeletePhotos removal.

next.config.ts

@@ -49,7 +49,7 @@ const nextConfig: NextConfig = {
 
 	// Voorkom dat type-warnings (zoals ongebruikte imports) de productiebuild blokkeren
 	typescript: {
-		ignoreBuildErrors: true,
+		ignoreBuildErrors: false,
 	},
 
 	// Enable React Compiler for automatic memoization