swift

6f0e70a4 - Unify 'distributed' checking for accesses to distributed actors.

Unify 'distributed' checking for accesses to distributed actors. Unify the logic for checking and marking accesses as async/throws/uses-distributed-thunk to reduce the overall amount of code, clarify the isolated/local/potentially-remote cases, and consistently set these options. There are tiny semantic improvements here where, e.g., one can asynchronously use non-distributed functions, properties, and subscripts if we're in a context where we know the actor is not remote.