NXWriter should use title from metadata first

[prjemian]

apstools/apstools/callbacks/nexus_writer.py

Line 413 in 1351d03

nxentry["title"] = self.get_sample_title()

This code should first check if a title was given as metadata, otherwise use the default. Also, swap the scan_id and plan_name in the title, scan_id first.

[prjemian]

See the revised get_sample_title() method.

    def get_sample_title(self):
        """
        Get the title from the metadata or modify the default.

        default title: S{scan_id}-{plan_name}-{short_uid}
        """
        try:
            title = self.metadata["title"]
        except KeyError:
            # title = super().get_sample_title()  # the default title
            title = f"S{self.scan_id:05d}-{self.plan_name}-{self.uid[:7]}"
        return title