Makes boss info show only if the user is registered + fixed mismatch on prices displayed in client

app/src/components/RegistrationModal.tsx

@@ -17,7 +17,7 @@ const RegistrationModal = ({ isOpen, setIsOpen }: RegistrationModalProps) => {
   return <div className={styles.modal}>
     <h2>Insert coins to continue</h2>
     <div>
-      <button onClick={() => onRegister("RGCVII")}>50 RGCVII</button>
+      <button onClick={() => onRegister("RGCVII")}>500 RGCVII</button>
       <button onClick={() => onRegister("ETH")}>0.0005 ETH</button>
     </div>
   </div>

app/src/components/Scene.tsx

@@ -35,7 +35,7 @@ const Scene = () => {
     <div className={`${styles.clouds_small} ${styles.background_asset}`} />
     <div className={`${styles.mountains} ${styles.background_asset} ${bossToMountainsClass[variant]}`} />
     <div className={`${styles.village} ${styles.background_asset}`} />
-    <BossInfo />
+    {isRegistered && <BossInfo />}
     <MarchingBand />
     <div className={`${styles.bonfire} ${styles.background_asset}`} />
     <Army />