feat: Streamline serializer use, check trust level, add log

src/fellchensammlung/api/serializers.py

@@ -7,4 +7,4 @@ from rest_framework import serializers
 class AdoptionNoticeSerializer(serializers.HyperlinkedModelSerializer):
     class Meta:
         model = AdoptionNotice
-        fields = ['created_at', 'last_checked', "searching_since", "name", "description", "further_information", "group_only"]
+        fields = ['created_at', 'last_checked', "searching_since", "name", "description", "further_information", "group_only"]