Fixes #7720: Fix initialization of custom script MultiObjectVar field with multiple values

Author: jeremystretch

docs/release-notes/version-3.0.md

@@ -12,6 +12,7 @@
 
 ### Bug Fixes
 
+* [#7720](https://github.com/netbox-community/netbox/issues/7720) - Fix initialization of custom script MultiObjectVar field with multiple values
 * [#7729](https://github.com/netbox-community/netbox/issues/7729) - Fix permissions evaluation when displaying VLAN group VLANs table
 * [#7739](https://github.com/netbox-community/netbox/issues/7739) - Fix exception when tracing cable across circuit with no far end termination
 * [#7813](https://github.com/netbox-community/netbox/issues/7813) - Fix handling of errors during export template rendering

netbox/extras/views.py

@@ -11,7 +11,7 @@
 from netbox.views import generic
 from utilities.forms import ConfirmationForm
 from utilities.tables import paginate_table
-from utilities.utils import copy_safe_request, count_related, shallow_compare_dict
+from utilities.utils import copy_safe_request, count_related, normalize_querydict, shallow_compare_dict
 from utilities.views import ContentTypePermissionRequiredMixin
 from . import filtersets, forms, tables
 from .choices import JobResultStatusChoices
@@ -754,7 +754,7 @@ def get_required_permission(self):
 
     def get(self, request, module, name):
         script = self._get_script(name, module)
-        form = script.as_form(initial=request.GET)
+        form = script.as_form(initial=normalize_querydict(request.GET))
 
         # Look for a pending JobResult (use the latest one by creation timestamp)
         script_content_type = ContentType.objects.get(app_label='extras', model='script')