feat(archive_todo): Update batchUpdate

This is part 3 of habitrpg#3062. It makes batchUpdate look at the archived flag
not the completed date

Part 1: habitrpg/habitrpg#3302
Part 2: habirrpg/habitrpg-shared#198
Merge pull request #3304 from jbutz/todo_archive_flag_ui

feat(archive_todo): Update batchUpdate