Fix multiple notifications send to PIC at one time

- fix by removing previous scheduled notifications job before updating the notification configurations

config/database.php

@@ -5,6 +5,18 @@ return [
    'default' => 'mysql7',
    'migrations' => 'migrations',
    'connections' => [
+        'mysql' => [
+            'driver'    => 'mysql',
+            'host'      => env('DB_HOST_7'),
+            'port'      => env('DB_PORT_7'),
+            'database'  => env('DB_DATABASE_7'),
+            'username'  => env('DB_USERNAME_7'),
+            'password'  => env('DB_PASSWORD_7'),
+            'charset'   => 'utf8',
+            'collation' => 'utf8_unicode_ci',
+            'prefix'    => '',
+            'strict'    => false,
+        ],
         'lelong' => [
             'driver'    => 'mysql',
             'host'      => env('DB_HOST_LELONG'),