chore:add logging for publisher_names and fix publisher filtering

Added a log statement for `publisher_names` in the `config.py` to track incoming request data. Fixed an issue in `search.py` where the publisher filter was incorrectly using `type__icontains` instead of `publisher__icontains`.

orp/orp_search/config.py

@@ -36,6 +36,7 @@ def __init__(
         self.id = id
 
         logger.info(f"document_types from request: {self.document_types}")
+        logger.info(f"publisher_names from request: {self.publisher_names}")
 
     def validate(self):
         """

orp/orp_search/utils/search.py

@@ -90,24 +90,20 @@ def search_database(
 
     # Filter by document types
     if config.document_types:
-        # Start with an empty Q object
         query = Q()
+
         # Loop through the document types and add a Q object for each one
         for doc_type in config.document_types:
             query |= Q(type__icontains=doc_type)
-
-        # Filter the queryset using the complex Q object
         queryset = queryset.filter(query)
 
     # Filter by publisher
     if config.publisher_names:
-        # Start with an empty Q object
         query = Q()
+
         # Loop through the document types and add a Q object for each one
         for publisher in config.publisher_names:
-            query |= Q(type__icontains=publisher)
-
-        # Filter the queryset using the complex Q object
+            query |= Q(publisher__icontains=publisher)
         queryset = queryset.filter(query)
 
     # Sort results based on the sort_by parameter (default)
@@ -119,6 +115,8 @@ def search_database(
         calculate_score(config, queryset)
         return queryset.order_by("score")
 
+    return queryset
+
 
 def search(context: dict, request: HttpRequest) -> dict:
     logger.info("received search request: %s", request)