为vmess增加sni分流支持

[VeryAdd]

支持clash Shadowrocket v2rayn 的sni证书功能
使用方法：节点地址 末尾添加 "|sni=证书域名"
如节点保存错误，是因为节点地址长度过长超过了默认的128字节导致的
数据库 执行
ALTER TABLE ss_node CHANGE server server VARCHAR(256) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL;

[mashirozx]

同样的问题见 #1260 ，并未得到解决
报错如下，全新安装，db schema是最新的：

Whoops\Exception\ErrorException thrown with message "Undefined index: sni"

Stacktrace:
#18 Whoops\Exception\ErrorException in /var/www/dev/src/Utils/AppURI.php:347
#17 Whoops\Run:handleError in /var/www/dev/src/Utils/AppURI.php:347
#16 App\Utils\AppURI:getClashURI in /var/www/dev/src/Controllers/LinkController.php:787
#15 App\Controllers\LinkController:getClash in /var/www/dev/src/Controllers/LinkController.php:175
#14 App\Controllers\LinkController:GetContent in /var/www/dev/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php:41
#13 call_user_func in /var/www/dev/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php:41
#12 Slim\Handlers\Strategies\RequestResponse:__invoke in /var/www/dev/vendor/slim/slim/Slim/Route.php:356
#11 Slim\Route:__invoke in /var/www/dev/vendor/slim/slim/Slim/MiddlewareAwareTrait.php:117
#10 Slim\Route:callMiddlewareStack in /var/www/dev/vendor/slim/slim/Slim/Route.php:334
#9 Slim\Route:run in /var/www/dev/vendor/slim/slim/Slim/App.php:515
#8 Slim\App:__invoke in /var/www/dev/vendor/zeuxisoo/slim-whoops/src/Zeuxisoo/Whoops/Provider/Slim/WhoopsMiddleware.php:70
#7 Zeuxisoo\Whoops\Provider\Slim\WhoopsMiddleware:__invoke in /var/www/dev/vendor/slim/slim/Slim/DeferredCallable.php:43
#6 call_user_func_array in /var/www/dev/vendor/slim/slim/Slim/DeferredCallable.php:43
#5 Slim\DeferredCallable:__invoke in /var/www/dev/vendor/slim/slim/Slim/MiddlewareAwareTrait.php:70
#4 call_user_func in /var/www/dev/vendor/slim/slim/Slim/MiddlewareAwareTrait.php:70
#3 Slim\App:Slim{closure} in /var/www/dev/vendor/slim/slim/Slim/MiddlewareAwareTrait.php:117
#2 Slim\App:callMiddlewareStack in /var/www/dev/vendor/slim/slim/Slim/App.php:405
#1 Slim\App:process in /var/www/dev/vendor/slim/slim/Slim/App.php:313
#0 Slim\App:run in /var/www/dev/public/index.php:37

不清楚是否还需要提供其他信息，请告知。

这样可能好看一点：