fix: Patch OpenTelemetry to handle None tokens (#18498)

Signed-off-by: -LAN- <laipz8200@outlook.com>

api/app_factory.py

@@ -52,6 +52,7 @@ def initialize_extensions(app: DifyApp):
         ext_mail,
         ext_migrate,
         ext_otel,
+        ext_otel_patch,
         ext_proxy_fix,
         ext_redis,
         ext_repositories,
@@ -84,6 +85,7 @@ def initialize_extensions(app: DifyApp):
         ext_proxy_fix,
         ext_blueprints,
         ext_commands,
+        ext_otel_patch,  # Apply patch before initializing OpenTelemetry
         ext_otel,
     ]
     for ext in extensions: