Update recording_tools.py

Author: jiumao2

src/spikeinterface/core/recording_tools.py

@@ -131,14 +131,13 @@ def write_binary_recording(
         data_size_bytes = dtype_size_bytes * num_frames * num_channels
         file_size_bytes = data_size_bytes + byte_offset
 
-        # create a file with file_size_bytes
+        # Create an empty file with file_size_bytes
         file = open(file_path, "wb+")
-        if platform.system() == "Windows":
-            file.seek(file_size_bytes - 1)
-            file.write(b"\0")
-        else:
-            file.truncate(file_size_bytes)
+
+        # The previous implementation `file.truncate(file_size_bytes)` was slow on Windows (#3408)
+        file.seek(file_size_bytes - 1)
         file.write(b"\0")
+
         file.close()
         assert Path(file_path).is_file()