GREG-307: Show that new invitation is sent

frontend/public/locales/en/common.json

@@ -55,6 +55,7 @@
     "roleInfoHead": "Roles and periods",
     "roleInfoTableText": "Guest roles",
     "roleInfoBody": "You can only change roles connected to units that you have given.",
+    "newEmailSent": "New invitation sent",
     "verifier": "Verified by",
     "verified": "Verified",
     "source": "Source",

frontend/public/locales/nb/common.json

@@ -55,6 +55,7 @@
     "roleInfoHead": "Roller og perioder",
     "roleInfoBody": "Du kan endre på tidsperioden, men kun på gjesteroller tilknyttet enheter du er vert for.",
     "roleInfoTableText": "Gjesteroller",
+    "newEmailSent": "Ny invitasjon sendt",
     "verifier": "Godkjent av",
     "verified": "Godkjent",
     "source": "Kilde",

frontend/public/locales/nn/common.json

@@ -55,6 +55,7 @@
     "roleInfoTableText": "Gjesteroller",
     "roleInfoHead": "Roller og periodar",
     "roleInfoBody": "Du kan endre på tidsperioden, men berre på gjesteroller knytta til eininger du er vert for.",
+    "newEmailSent": "Ny invitasjon sendt",
     "verifier": "Godkjend av",
     "verified": "Godkjend",
     "source": "Kjelde",

frontend/src/routes/sponsor/guest/guestInfo/index.tsx

@@ -98,6 +98,7 @@ export default function GuestInfo({
   const [t] = useTranslation(['common'])
   const navigate = useNavigate()
   const [confirmCancelDialogOpen, setConfirmCancelDialogOpen] = useState(false)
+  const [showEmailSent, setShowEmailSent] = useState<Boolean>(false)
   const [emailUpdateError, setEmailUpdateError] =
     useState<ServerErrorReportData>()
   const [updateOKMsg, setUpdateOKMsg] = useState<string>('')
@@ -221,6 +222,11 @@ export default function GuestInfo({
     }
   }
 
+  const handleClick = () => {
+    resend()
+    setShowEmailSent(true)
+  }
+
   useEffect(() => {
     reset({ email: guest.email }) // Forces defaultValue to be set to the new value, making the form not dirty
     setValue('email', guest.email)
@@ -256,6 +262,14 @@ export default function GuestInfo({
               {t(updateOKMsg)}
             </Alert>
           )}
+          {showEmailSent && (
+            <Alert
+              severity="success"
+              sx={{ fontSize: '1rem', marginBottom: '1rem' }}
+            >
+              {t('guestInfo.newEmailSent')}
+            </Alert>
+          )}
           <TableContainer>
             <Table sx={{ minWidth: 650 }} aria-label="simple table">
               <TableHead>
@@ -304,7 +318,7 @@ export default function GuestInfo({
                             marginTop: '0.5rem',
                           }}
                         >
-                          <Button color="secondary" onClick={resend}>
+                          <Button color="secondary" onClick={handleClick}>
                             {t('button.resendInvitation')}
                           </Button>
                           <Button