fix(realtime): force-WS option and polish connection popup UI

Add PUSHER_FORCE_WS so Echo/Pusher can prefer plain WebSocket
transports, redesign the real-time connection warning popup, and
give copy-button inputs durable right padding in settings forms.

tests/Feature/LayoutPopupsUiTest.php

@@ -0,0 +1,27 @@
+<?php
+
+/**
+ * Layout popups (realtime warning, sponsorship, notifications) use the redesigned UI shell.
+ */
+test('realtime connection warning uses the redesigned popup shell', function () {
+    $view = file_get_contents(resource_path('views/livewire/layout-popups.blade.php'));
+
+    expect($view)
+        ->toContain('Cannot connect to real-time service')
+        ->toContain('Acknowledge &amp; disable')
+        ->toContain('customActions')
+        ->toContain('rounded-2xl border border-red-200')
+        ->toContain('name="alert-triangle"')
+        ->not->toContain('WARNING: </span> Cannot connect to real-time service')
+        ->not->toContain('Acknowledge & Disable This Popup');
+});
+
+test('notification reminder uses the redesigned popup shell', function () {
+    $view = file_get_contents(resource_path('views/livewire/layout-popups.blade.php'));
+
+    expect($view)
+        ->toContain('No notifications enabled')
+        ->toContain('Accept and close')
+        ->toContain('Open notifications')
+        ->not->toContain('Accept and Close');
+});