Fix NameError in PortalaAdapter card parser

_parse_hit_list_cards referenced an undefined `doctype` instead of
`doctype_full` on the query-filter path. The surrounding try/except in
search() swallowed the exception, so Berlin queries silently returned
0 hits whenever a search term was given.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

app/parlamente.py

@@ -698,7 +698,7 @@ class PortalaAdapter(ParlamentAdapter):
             )
 
             if query_filter:
-                hay = f"{title} {doctype}".lower()
+                hay = f"{title} {doctype_full}".lower()
                 if not all(t in hay for t in query_filter.lower().split()):
                     continue