fix server discovery modal

src/chat/components/ServerDiscovery.svelte

@@ -17,7 +17,7 @@
   );
 </script>
 
-<Modal onClose={() => (chat.showDiscoveryModal = false)} maxWidth="500px">
+<Modal onClose={() => (chat.showDiscoveryModal = false)}>
   <ModalLayout title="Discover Servers" onClose={() => (chat.showDiscoveryModal = false)}>
     <div class="discovery-content">
       <Input

src/chat/components/ui/ModalLayout.svelte

@@ -4,19 +4,17 @@
     onClose,
     children,
     footer,
-    maxWidth = "440px",
     class: className = ""
   }: {
     title?: string,
     onClose?: () => void,
     children: any,
     footer?: any,
-    maxWidth?: string,
     class?: string
   } = $props();
 </script>
 
-<div class="modal-layout {className}" style="max-width: {maxWidth};">
+<div class="modal-layout {className}">
   {#if title || onClose}
     <div class="modal-header">
       {#if title}