Additional credential management capabilities

UnSpot administrators can now retrieve user credentials directly in the interface without having to send an email. A "Show in modal window" button has been added to the user edit form, which starts generation of a new password and displays it along with the user's email address.
After viewing the credentials, the "Send to user" and "Show in modal window" buttons become inactive until the page reloads, preventing repeated requests.
The update allows administrators to retrieve and transmit new credentials to users faster, simplifying the access management process.