Fix window content height for app builds

Ends a weird bug

Author: vdavid

apps/desktop/src/app.css

@@ -407,6 +407,13 @@ body {
     flex-direction: column;
 }
 
+/* SvelteKit's production build strips inline styles from its mount target.
+ * Without this, the #app-root div defaults to display:block, breaking
+ * the body flex layout (content overflows instead of fitting the window). */
+#app-root {
+    display: contents;
+}
+
 /* Disable scroll bounce on all scrollable elements */
 * {
     overscroll-behavior: none;

apps/desktop/src/app.html

@@ -84,6 +84,6 @@
         <div id="loading-screen">
             <div class="app-loader"></div>
         </div>
-        <div style="display: contents">%sveltekit.body%</div>
+        <div id="app-root" style="display: contents">%sveltekit.body%</div>
     </body>
 </html>