[Fixes GeoNode#12170] unable to set advanced contact roles in metadat…

…a editor

geonode/base/models.py

@@ -1940,8 +1940,7 @@ def set_contact_roles_from_metadata_edit(self, resource_base_form) -> bool:
         failed = False
         for role in self.get_multivalue_role_property_names():
             try:
-                if resource_base_form.cleaned_data[role].exists():
-                    self.__setattr__(role, resource_base_form.cleaned_data[role])
+                self.__setattr__(role, resource_base_form.cleaned_data[role])
             except AttributeError:
                 logger.warning(f"unable to set contact role {role} for {self} ...")
                 failed = True

geonode/base/widgets.py

@@ -1,6 +1,7 @@
 from typing import List
 
 from dal_select2_taggit.widgets import TaggitSelect2
+from django.http.request import QueryDict
 
 
 class TaggitSelect2Custom(TaggitSelect2):
@@ -32,9 +33,9 @@ def value_from_datadict(self, data, files, name) -> List[str]:
 
         returns list of selected elements
         """
-        try:
-            ret_list = data.getlist(name)
-        except KeyError:
-            ret_list = []
-        finally:
-            return ret_list
+        if type(data) is dict and "name" in data:
+            return data["name"]
+        elif type(data) is QueryDict:
+            print("QUERYDICT")
+            return data.getlist(name)
+        return []