Fix time blackrock (#1708)

* shape parameter for memap

* fix time

* int

Author: luiztauffer

neo/rawio/blackrockrawio.py

@@ -1811,7 +1811,7 @@ def __nev_params(self, param_name):
                 hour=self.__nev_basic_header["hour"],
                 minute=self.__nev_basic_header["minute"],
                 second=self.__nev_basic_header["second"],
-                microsecond=self.__nev_basic_header["millisecond"],
+                microsecond=int(self.__nev_basic_header["millisecond"]) * 1000,
             ),
             "max_res": self.__nev_basic_header["timestamp_resolution"],
             "channel_ids": self.__nev_ext_header[b"NEUEVWAV"]["electrode_id"],