CBR and AutomaticCE plan ranking change planning of rooted $or queries, which previously were ran only with multiplanner subplanner. We don't have sufficient test coverage for this change.

Extend the query benchmarks with tests focused on subplanning.

The current threshold that switches the subplanner on in automaticCE mode is 16, thus we need tests with $or queries with less than and more than 16 plans. 

Furthermore, we need tests for the upper limit of 64 indexed plans. Currently, there is a genny test for it, which is being deprecated and needs a replacement.