Add more bits to the bit vector that is used to disable optimizations for

Add more bits to the bit vector that is used to disable optimizations for
built-in test.  Add specific bit patterns to disable ORDER BY using an
index in general and for joins.  Use macros to test for bits in the
disabled-optimization bit vector, in order to make the code clearer.

FossilOrigin-Name: d2fcba1e143beca8c45724d2108870657c269e17