companion.py: Return CAPI data if not docked

Else at least one caller to .station() blows up when it can't find the
commander data.

The call has to be to .station() so as to populate the market/shipyard
added dictionaries.

companion.py

@@ -534,7 +534,7 @@ class Session(object):
         """Perform CAPI /profile endpoint query for station data."""
         data = self.query(URL_QUERY)
         if not data['commander'].get('docked'):
-            return None
+            return data
 
         services = data['lastStarport'].get('services', {})