Fixes #19789 - fix Layout/SpaceAroundOperators cop

Fixes #21776 - Improved fact importing to deal with names

Now the list of fact names will be calculated beforehand and saved
to the database. It will also consider that the name could be added
from other thread.

Fixes #21424 - use factory_bot_rails

fixes #16749 - improve NIC update performance during fact imports

- In get_facts_for_interface, replace regexes in hash key filtering
with simple String methods and simplify hash construction
- Change logger.debug to lazy evaluation for production performance,...

Fixes #9016 - improved fact loading performance

This change improves fact loading performance by order of magnitude on
SQLite mostly thanks to explicit transaction. An extra optimization was
done for the most important "update" method call which is mostly used...