Merge pull request #3342 from mtmail/tyops

Correct some typos

diff --cc nominatim/api/results.py
Simple merge

diff --cc nominatim/api/search/db_search_fields.py
Simple merge

diff --cc nominatim/api/search/db_searches.py
Simple merge

diff --cc nominatim/db/sql_preprocessor.py
Simple merge

diff --cc test/bdd/steps/steps_db_ops.py
Simple merge