[BUG] a11y: Dark mode disappears after registering a cluster

[illume]

Bug Description

New AKS desktop with darkmode selected already.
After registering... it goes into light mode Azure theme.

Not a regression. Also happens with 0.1.0-alpha
Tested on AKS desktop 0.2.0

[skoeva]

are there any additional steps to reproduce this issue? I just opened the app in dark mode and registered a cluster but I don't see any change