Merge pull request #13 from AudunSektnanNR/develop_jorge

Update _property_tag function in grid3d_aggregate_map

src/xtgeoapp_grd3dmaps/aggregate/grid3d_aggregate_map.py

@@ -129,7 +129,7 @@ def generate_maps(
 
 def _property_tag(prop: str, agg_method: AggregationMethod, agg_tag: bool):
     agg = f"{agg_method.value}_" if agg_tag else ""
-    return f"{agg}{prop.replace('_', '--')}"
+    return f"{agg}{prop}"
 
 
 # pylint: disable=too-many-arguments