fix: fix UI issues with SCIM new token button (#6948)

Makes the regenerate token button in SCIM settings behave like the rest
of the grid (remove margin left, add margin bottom)


![image](https://github.com/Unleash/unleash/assets/707867/ff3ac26e-87b3-4862-aebd-cdba0011ddad)

frontend/src/component/admin/auth/ScimSettings/ScimSettings.tsx

@@ -108,7 +108,7 @@ export const ScimConfigSettings = ({
             </Grid>
 
             <Grid container spacing={3}>
-                <Grid item md={5}>
+                <Grid item md={5} mb={2}>
                     <ConditionallyRender
                         condition={Boolean(settings.hasToken)}
                         show={
@@ -117,7 +117,6 @@ export const ScimConfigSettings = ({
                                 color='error'
                                 disabled={loading}
                                 onClick={onGenerateNewToken}
-                                sx={{ ml: 1 }}
                             >
                                 Generate new token
                             </Button>