Add advanced filtering for moderators or via a setting

For moderators or via a toggle in settings, add advanced filtering. For example, so it would be possible to filter where:

• the onsen tag is not specified;
• the non-onsen tag is specified;
• in the "Bathing and water" section, 1 or fewer tags are specified;
• the higaeri tag is not specified;
• schedule or price is not specified when higaeri is Yes.

Needed for the standard mechanisms for checking and filtering the completion of cards for visited onsens or onsens in a separate onsenchi