message: Sync: Resolve paths to Sets
diff: #include <realm/sync/instruction_applier.hpp>
  #include <realm/sync/object.hpp>
  +#include <realm/set.hpp>
  #include <realm/group.hpp>
  @@ -798,6 +799,10 @@ void InstructionApplier::resolve_field(Obj& obj, InternString field, Instruction
  auto dict = obj.get_dictionary(col);
  return callback(dict);
  }
  + else if (col.is_set()) {
  + auto set = obj.get_setbase_ptr(col);
  + return callback(*set);
  + }
  return callback(obj, col);
  }
  