When an admin sends a password reset link to a user (from the Users UI screen), the "finished" UI message:
>Password reset link sent.
is displayed on "finished" and no longer displayed on error.
**What is the change?**
Previously, the conditional (for incrementing the reset counter) checked for a truthy return from `retrieve_password()`. But `retrieve_password()` always returns a truthy state: `true` (meaning "finished") or an instance of `WP_Error`. Thus, checking for a truthy meant the "finished" message was sent on both "finished" and error/failed.
This fix checks for `retrieve_password()` returning `true` to indicate "finished".
**What is displayed on error?**
If `retrieve_password()` returns an instance of `WP_Error`, the following UI message is shown:
>Password reset links sent to 0 users.
The UI messages were not modified by this changeset.
Follow-up to [50129].
Props letraceursnork, prashantbhivsane, audrasjb, costdev, dilipbheda, hareesh-pillai, hellofromTonya, ironprogrammer, huzaifaalmesbah, marybaum, nicolefurlan, oglekler, petitphp, SergeyBiryukov.
Fixes#58407.
Built from https://develop.svn.wordpress.org/trunk@56937
git-svn-id: http://core.svn.wordpress.org/trunk@56448 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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