[14.0][FIX] base_name_search_improved: avoid error search type query

[Saran440]

Step to test:

1. install module account and base_name_search_improved
2. Go to Settings > Smart Searches > active model Analytic Account and add somefield to search
3. Create new invoice/bill and search value in analytic account. it will error.

it error because some module like account.analytic.account will return result to query not list.

[pedrobaeza]

Please review #2940 that should solve all the problems.

[StefanRijnhart]

Closing in favour of https://github.com/OCA/server-tools/pull/2940. Thanks for noting the issue and proposing your fix though!