Make the Ferret query compiler keep functions sticky across non-initial quoted tokens

Summary: Ref T13509. In title:big "red" dog, keep "title" sticky across all three terms, since this seems like it's probably the best match for intent.

Test Plan: Added unit tests; ran unit tests.

Maniphest Tasks: T13509

Differential Revision: https://secure.phabricator.com/D21111