* Make IP bans soft deletable.
* Add a hit counter to track how many times an IP ban has blocked someone.
* Add a last hit timestamp to track when the IP ban last blocked someone.
* Add a new type of IP ban, the signup ban. Signup bans restrict new
signups from editing anything until they've verified their email
address.
* Call them hidden tags instead of censored tags so that users don't
think that buying gold removes censorship from images (yes, this happened).
* Remove API ratelimit information (not relevant to most users).
Use validations instead of raising an exception when the password is
incorrect so that the controller can display errors sensibly.
Also fix users being logged out even when the deletion attempt failed
due to an incorrect password.
Remove the 10-try limit when there's a name conflict during renaming. We
forgot to increment the loop counter so this did nothing. This wasn't
necessary anyway since the loop will always terminate eventually because
names have finite length.
Name changes for deleted users are already visible to mods, so the only
thing we need to do here is to generate a name change before the user is
deleted.
* Let moderators see name changes for deleted users on the user name
change requests index and show pages. Before they could see name changes
for deleted users on user profiles, but not on the user name changes index.
* Let members see previous names on profile pages. Before they could see
previous names on the user name changes index, but not on profile pages
(ref: #4382).
* Allow tagging a post with a `disapproved:<disinterest|breaks_rules|poor_quality>` to disapprove it.
* Disallow disapproving active posts.
Fixes#4384.
Fix exception when submitting an upload and an in-progress preprocessed
upload already exists. In this case we forgot to pass the upload params
when calling UploadService#delayed_start.
Setting max-width causes notes to overflow the note body if they set a
fixed `width` or they use `white-space: nowrap` and the line is wider
than the max-width. Using `width: min-content` instead makes the note
shrink to fit but doesn't prevent it from expanding if it needs to.
This was also causing the movable status on new notes to require
clicking twice to remove that status since the note ID gets changed
but the move ID wasn't.
