Add smart_include_length_shorten to build middlewares

Ensure smart_include_length_shorten is added to build middlewares on Windows.

Author: Jason2866

builder/frameworks/arduino.py

@@ -936,7 +936,9 @@ def get_frameworks_in_current_env():
     env.AddPostAction("checkprogsize", silent_action)
 
     if IS_WINDOWS:
-        env.AddBuildMiddleware(smart_include_length_shorten)
+        if not env.get("__PIO_BUILD_MIDDLEWARES"):
+            env["__PIO_BUILD_MIDDLEWARES"] = []
+            env["__PIO_BUILD_MIDDLEWARES"].append(env.AddBuildMiddleware(smart_include_length_shorten))
 
     build_script_path = str(Path(FRAMEWORK_DIR) / "tools" / "pioarduino-build.py")
     SConscript(build_script_path)