Revert "Use background image for higher quality banner"

This reverts commit af65a34.

client/src/components/Dashboard/index.tsx

@@ -29,13 +29,20 @@ const Dashboard = ({ name, faq, status, timeline }: DashboardProps) => {
   return (
     <div className={styles.container}>
       <Card gap={1.5} className={`${styles.card} ${styles.banner}`}>
-        <div className={styles.bannerImage} />
         <Typography variant="headline/heavy/large" component="h1" className={styles.title}>
           Welcome, {name}!
         </Typography>
         <Typography variant="body/medium" component="p" className={styles.subtitle}>
           Access the application and view DiamondHacks updates here.
         </Typography>
+        <Image
+          src={Banner.src}
+          alt="Two diamond critters find a large jewel in a vault"
+          width={1128}
+          height={350}
+          quality={100}
+          className={styles.bannerImage}
+        />
       </Card>
       <Card gap={1.5} className={`${styles.card} ${styles.status}`}>
         <Typography variant="headline/heavy/small" component="h2">

client/src/components/Dashboard/style.module.scss

@@ -80,13 +80,9 @@
 
     .bannerImage {
       position: absolute;
-      inset: 0;
+      top: 0;
+      right: 0;
       z-index: -1;
-      // next/image ruins the image quality for some reason
-      background-image: url('/assets/banner.png');
-      background-size: contain;
-      background-position: right;
-      background-repeat: no-repeat;
       animation: fade-in 3.5s 1.5s backwards;
     }