make user a raw_id field

api/admin.py

@@ -12,10 +12,11 @@ class APIKeyAdmin(APIKeyModelAdmin):
     list_display = [*APIKeyModelAdmin.list_display, "user"]
     list_filter = [*APIKeyModelAdmin.list_filter, "user"]
     search_fields = [*APIKeyModelAdmin.search_fields, "user__username", "user__email"]
-    
+    raw_id_fields = ['user']
+
     def get_form(self, request, obj=None, **kwargs):
         form = super().get_form(request, obj, **kwargs)
         # Make user field required
         if 'user' in form.base_fields:
             form.base_fields['user'].required = True
-        return form
+        return form