Include operator tags in data checks

[Johnmapper]

Same as issued with the tags network and brand, the tages operator / operator:wikidata /operator:wikipedia should be implemented in the data checking prozess to ensure completing tags for common features.

[bhousel]

This was included in #8305, which went live in iD about 3 month ago.
Are there some features where you're expecting this to work but it doesn't?

The source dataset for this validation is the name-suggestion-index project, and you can browse https://nsi.guide to see which items are supported.