Revert "[2.6.4] Update default ui-dashboard-index setting" (#37239)
Revert "[2.6.4] Update default ui-dashboard-index setting" (#37239)

This reverts commit 1ea3f94230d2d7a37e43708769de8df3caa8bf37.
rancher/rancher,rancher/rancher,rancher/rancher,rancher/rancher