R1:1dfa94e57127

Use binary collations for most text

Summary:
Ref T1191. For most text columns, we either don't care if "a" and "A" are the same, or we expect them to be different (for example: keys, domains, secrets, etc). Default text columns to the `_bin` collation so they are compared by strict character value. This is safer in cases where we aren't sure.

For some text columns, we allow the user to sort by the column in the UI (like Maniphest task titles) or we do care that "A" and "a" are the same (for example…