feat(gateway-manager): add columns for routes and services [KM-517]

[TT1228]

Summary

KM-517

Add "Created At"(Optional Field) and "Last Modified"(Default Field) to the Services and Routes page, enabling getTablePreferences to take given preferences

[kongponents-bot]

Preview components from this PR in consuming application

In consuming application project install preview versions of shared packages generated by this PR:

@kong-ui-public/core@pr-1637
@kong-ui-public/expressions@pr-1637
@kong-ui-public/entities-shared@pr-1637
@kong-ui-public/dashboard-renderer@pr-1637
@kong-ui-public/documentation@pr-1637
@kong-ui-public/entities-certificates@pr-1637
@kong-ui-public/entities-consumer-credentials@pr-1637
@kong-ui-public/entities-consumer-groups@pr-1637
@kong-ui-public/entities-consumers@pr-1637
@kong-ui-public/entities-data-plane-nodes@pr-1637
@kong-ui-public/entities-gateway-services@pr-1637
@kong-ui-public/entities-key-sets@pr-1637
@kong-ui-public/entities-keys@pr-1637
@kong-ui-public/entities-routes@pr-1637
@kong-ui-public/entities-snis@pr-1637
@kong-ui-public/entities-upstreams-targets@pr-1637
@kong-ui-public/entities-vaults@pr-1637
@kong-ui-public/entities-plugins@pr-1637

[Leopoldthecoder]

LGTM