feat: Real-time Outbound Traffic, UI Improvements & Fix (#3629)

* Refactor HTML and JavaScript for improved UI and functionality

- Cleaned up JavaScript methods in subscription.js for better readability.
- Updated inbounds.html to clarify traffic update handling and removed unnecessary comments.
- Enhanced xray.html by correcting casing in routingDomainStrategies.
- Added mobile touch scrolling styles in page.html for better tab navigation on small screens.
- Streamlined vless.html by removing redundant line breaks and improving form layout.
- Refined subscription subpage.html for better structure and user experience.
- Adjusted outbounds.html to improve button visibility and functionality.
- Updated xray_traffic_job.go to ensure accurate traffic updates and real-time UI refresh.

* Refactor client traffic handling in InboundService

- Updated addClientTraffic method to initialize onlineClients as an empty slice instead of nil.
- Improved clarity and consistency in handling empty onlineUsers scenario.

* Add WebSocket support for outbounds traffic updates

- Implemented WebSocket connection in xray.html to handle real-time updates for outbounds traffic.
- Enhanced xray_traffic_job.go to retrieve and broadcast outbounds traffic updates.
- Introduced MessageTypeOutbounds in hub.go for managing outbounds messages.
- Added BroadcastOutbounds function in notifier.go to facilitate broadcasting outbounds updates to connected clients.

---------

Co-authored-by: lolka1333 <test123@gmail.com>

web/html/xray.html

@@ -269,7 +269,7 @@
         tag: "direct",
         protocol: "freedom"
       },
-      routingDomainStrategies: ["AsIs", "IpIfNonMatch", "IpOnDemand"],
+      routingDomainStrategies: ["AsIs", "IPIfNonMatch", "IPOnDemand"],
       log: {
         loglevel: ["none", "debug", "info", "warning", "error"],
         access: ["none", "./access.log"],
@@ -968,6 +968,17 @@
       await this.getXraySetting();
       await this.getXrayResult();
       await this.getOutboundsTraffic();
+
+      if (window.wsClient) {
+          window.wsClient.connect();
+          window.wsClient.on('outbounds', (payload) => {
+            if (payload) {
+              this.outboundsTraffic = payload;
+              this.$forceUpdate();
+            }
+          });
+      }
+
       while (true) {
         await PromiseUtil.sleep(800);
         this.saveBtnDisable = this.oldXraySetting === this.xraySetting;