- Corrected flow definitions.
- Properly differentiate between "not yet fetched" and "no membership" as "undefined" and "<empty string>", respectively. There are GUI elements that need to know the unfetched case.
## Issue
4749: "Password updated successfully" kept showing up
## Change
In addition to the `passwordReset*` variables, reset the `passwordSet*` variables as well for `USER_PASSWORD_SET_CLEAR`.