codeintel: Update settings UI

Created by: efritz

Fixes https://github.com/sourcegraph/sourcegraph/issues/23087.

Repository page:

Settings page:

Repository upload record list (OSS):

Repository upload record detail (enterprise):

Repository index record detail (enterprise):

Repository index record list (enterprise):

Repository auto-index configuration (enterprise):

Site admin upload record list:

Site admin upload record detail:

Site admin index record list:

Site admin index record detail: