Fix space page layout on Android by adding visible prop to SecondaryNav

src/lib/components/SecondaryNav.svelte

@@ -4,15 +4,17 @@
 
   interface Props {
     class?: string
+    visible?: boolean
     children?: Snippet
   }
 
-  const {children, ...props}: Props = $props()
+  const {children, visible = false, ...props}: Props = $props()
 </script>
 
 <div
   class={cx(
-    "mt-sai mb-sai max-h-screen w-60 min-h-0 shrink-0 flex-col gap-1 bg-base-300 z-nav hidden md:flex",
+    "mt-sai mb-sai max-h-screen w-60 min-h-0 shrink-0 flex-col gap-1 bg-base-300 z-nav",
+    visible ? "flex" : "hidden md:flex",
     props.class,
   )}>
   {@render children?.()}