Refactor CLI close logic and comment out debug log

Commented out the debug log in LineConnection's write method for cleaner output. Updated App.tsx to close CLI only for lines in the currently active station tab, improving accuracy when switching tabs.

BACKEND/app/services/line_connection.ts

@@ -237,9 +237,9 @@ export default class LineConnection {
       return
     }
 
-    console.log(
-      `Write command "${cmd}" to line ${this.config.lineNumber} of ${this.config.stationName}`
-    )
+    // console.log(
+    //   `Write command "${cmd.toString().replace(/\r/g, '\\r').replace(/\n/g, '\\n')}" to line ${this.config.lineNumber} of ${this.config.stationName}`
+    // )
 
     this.client.write(cmd)
     if (userName) {

FRONTEND/src/App.tsx

@@ -593,8 +593,9 @@ function App() {
           </Tabs.Panel>
         ))}
         onChange={(id) => {
-          if (selectedLines.length > 0) {
-            selectedLines.forEach((el) => {
+          const station = stations.find((el) => el.id === Number(activeTab));
+          if (station) {
+            (station?.lines || [])?.forEach((el) => {
               if (el?.userOpenCLI === user?.userName)
                 socket?.emit("close_cli", {
                   lineId: el?.id,