[HDF5TomoScan] add an other way to find a valid nxtomo entry

tomoscan/esrf/hdf5scan.py

@@ -268,6 +268,13 @@ class HDF5TomoScan(TomoScanBase):
         if "definition" in node.attrs and node.attrs["definition"].lower() == "nxtomo":
             _logger.info(node.name + " is recognized as an NXtomo class.")
             return True
+        elif (
+            "instrument" in node
+            and "NX_class" in node["instrument"].attrs
+            and node["instrument"].attrs["NX_class"] == "NXinstrument"
+        ):
+            instrument_node = node["instrument"]
+            return "detector" in node["instrument"]
         else:
             return False