Improved error message to client for password reset request, delete PasswordTokenReset after changing password

src/utilities/http.ts

@@ -82,7 +82,7 @@ async function addHttpRoutes(app: Application) {
       return res.status(200).json({ message: 'Email has been sent' })
     }
 
-    return res.status(400).json({ message: 'Failed to send password reset request' })
+    return res.status(400).json({ message: 'Failed to send password reset request. Perhaps one has already been sent recently, check your spam folder.' })
   })
 
   /**