Only show the Kudos approval message if the kudos is public.

Author: ocielliottc

web-ui/src/components/kudos_dialog/KudosDialog.jsx

@@ -317,13 +317,13 @@ const KudosDialog = ({ open, recipient, teamId, onClose }) => {
               value={message}
               onChange={handleMessageChange}
             />
-            <Alert
+            {publicKudos ? <Alert
               severity="info"
               style={{ marginTop: '1rem', marginBottom: '2rem' }}
             >
               Kudos will be visible to admins for approval, then sent to the
               recipient.
-            </Alert>
+            </Alert> : <div style={{ height: "20px" }}/>}
             <Button
               variant="contained"
               disabled={message.trim().length === 0}