fix(script): correct hardcoded menu option numbers in x-ui.sh (#5787)

* fix(script): correct hardcoded menu option numbers in x-ui.sh

The error messages referenced option 19 for SSL Certificate Management
and option 16 for Logs Management, but the actual positions in show_menu
are 20 and 17 respectively.

* Update x-ui.sh

x-ui.sh

@@ -467,12 +467,12 @@ check_config() {
                 start 0 > /dev/null 2>&1
             else
                 LOGE "IP certificate setup failed."
-                echo -e "${yellow}You can try again via option 19 (SSL Certificate Management).${plain}"
+                echo -e "${yellow}You can try again via main menu option 20 (SSL Certificate Management).${plain}"
                 start 0 > /dev/null 2>&1
             fi
         else
             echo -e "${yellow}Access URL: http://${server_ip}:${existing_port}${existing_webBasePath}${plain}"
-            echo -e "${yellow}For security, please configure SSL certificate using option 19 (SSL Certificate Management)${plain}"
+            echo -e "${yellow}For security, please configure SSL certificate using main menu option 20 (SSL Certificate Management)${plain}"
         fi
     fi
 }
@@ -3069,7 +3069,7 @@ migrate_to_postgres() {
     if check_status; then
         LOGI "Migration complete. The panel is now running on PostgreSQL."
     else
-        LOGE "Panel did not come up. Check logs (option 16). Your SQLite data is left intact."
+        LOGE "Panel did not come up. Check logs (main menu option 17). Your SQLite data is left intact."
     fi
 }