[Feature] Search for Permissions, Prep Compound / Structure to be extended, Prep Template overwrites (#347)

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#347

epdb/legacy_api.py

@@ -1392,7 +1392,7 @@ def create_package_scenario(request, package_uuid):
         study_type = request.POST.get("type")
 
         ais = []
-        types = request.POST.getlist("adInfoTypes[]")
+        types = request.POST.get("adInfoTypes[]", "").split(",")
         for t in types:
             ais.append(build_additional_information_from_request(request, t))