feat(home): play the white -> background fade only once

NOTE: it's not correctly done, i'm using app state for that, i might move to intro but it's fine for now

app/components/Home/BottomScreen/Background.vue

@@ -1,8 +1,8 @@
 <script setup lang="ts">
 const { onRender } = useScreen();
 
-const store = useHomeStore();
 const app = useAppStore();
+const store = useHomeStore();
 
 const { assets } = useAssets();
 
@@ -10,7 +10,7 @@ onRender((ctx) => {
   ctx.fillStyle = "#fbfbfb"
   ctx.fillRect(0, 0, LOGICAL_WIDTH, LOGICAL_HEIGHT);
   
-  ctx.globalAlpha = store.isIntro? store.intro.stage1Opacity:1;
+  ctx.globalAlpha = store.isIntro && !app.homeIntroPlayed ? store.intro.stage1Opacity : 1;
   assets.images.home.bottomScreen.background.draw(ctx, 0, 0);
 });