fix: fix broken image urls in NSUI blocks

src/app/[locale]/preview/hero-section/four/page.tsx

@@ -44,7 +44,7 @@ export default function HeroSection() {
               </div>
               <Image
                 className="-z-10 order-first ml-auto h-56 w-full object-cover invert sm:h-96 lg:absolute lg:inset-0 lg:-right-20 lg:-top-96 lg:order-last lg:h-max lg:w-2/3 lg:object-contain dark:mix-blend-lighten dark:invert-0"
-                src="https://res.cloudinary.com/dg4jhba5c/image/upload/v1741605150/abstract-bg_wq4f8w.jpg"
+                src="/blocks/abstract-bg.png"
                 alt="Abstract Object"
                 height="4000"
                 width="3000"

src/app/[locale]/preview/hero-section/one/page.tsx

@@ -71,7 +71,7 @@ export default function HeroSection() {
               className="absolute inset-0 -z-20"
             >
               <Image
-                src="https://res.cloudinary.com/dg4jhba5c/image/upload/v1741605538/night-background_ni3vqb.jpg"
+                src="/blocks/night-background.webp"
                 alt="background"
                 className="absolute inset-x-0 top-56 -z-20 hidden lg:top-32 dark:block"
                 width="3276"

src/app/[locale]/preview/hero-section/three/page.tsx

@@ -124,7 +124,7 @@ export default function HeroSection() {
                   <div className="bg-linear-to-b to-background from-background absolute inset-0 via-transparent"></div>
                   <div className="bg-linear-to-l to-background from-background absolute inset-0 via-transparent"></div>
                   <Image
-                    src="https://res.cloudinary.com/dg4jhba5c/image/upload/v1741605545/phone-backgroudn_xqgg5g.jpg"
+                    src="/blocks/phone-background.webp"
                     alt="Phone Background"
                     width="6240"
                     height="4160"