Double padding in recurring actions

[Etheryte]

Part of https://github.com/SUSE/spacewalk/issues/18940

All urls below are specified as the dev proxy (yarn proxy https://...), since that's the most convenient way to work on these issues.

To switch between the new theme and the old theme in the console: debugUtils.toggleUpdatedTheme()
To switch between the Suma theme and the Uyuni theme: debugUtils.toggleTheme()

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https://localhost:8080/rhn/manager/schedule/recurring-actions

This page has two panels unnecessarily wrapped in one another, honestly imo we can remove both of them and just make it a regular page with a table like many other such pages.

Definition of done

The updated theme has no visual bugs, all related page urls are added to ViewHelper.java and view-helper.ts.

[Etheryte]

Same bug in https://localhost:8080/rhn/manager/schedule/maintenance/calendars

[Etheryte]

Same bug in https://localhost:8080/rhn/manager/multiorg/recurring-actions?oid=1

[bisht-richa]

Fixed: #8947