[增添]添加了datasource的setting数据库以及默认值

vendor/filament/notifications/resources/views/components/echo.blade.php

@@ -0,0 +1,19 @@
+@props([
+    'channel',
+])
+
+<div
+    x-data="{}"
+    x-init="
+        window.addEventListener('EchoLoaded', () => {
+            window.Echo.private(@js($channel)).notification((notification) => {
+                setTimeout(() => $wire.handleBroadcastNotification(notification), 500)
+            })
+        })
+
+        if (window.Echo) {
+            window.dispatchEvent(new CustomEvent('EchoLoaded'))
+        }
+    "
+    {{ $attributes }}
+></div>