R1:f0fbf7a7d32e

Sort "closed" results (like disabled users) to the bottom of typeaheads, but don't hide them completely

Summary:
Fixes T12538. Instead of hiding "closed" results unless only closed results match, show closed results but sort them to the bottom.

This fixes the actual issue in T12538, and I think this is probably the correct/best behavior for the global search.

It also makes all other typeaheads use this behavior. They currently have a "bug" where enabled user `abcd` makes it impossible to select disabled…