Installing all Errata of a host doesn't work
Content -> Content Host -> Host XYZ -> Errata Tab
(Example: Host has 8 errata. Set per_page to 5 so that there are 2 pages)
Click the checkbox to select all errata of this page. Afterwards, press the "Select All" button which appears. All Errata, on all pages are selected.
Press "Apply Selected via Remote Execution - customize first".
Issue: The REX page will be shown but the field which should list the errata is empty.
In case of selecting only one errata (or 3), pressing "Apply Selectd REX - customize first" the field lists this errata.
Refs #29330 - Fix errata installation
In case of installing errata with "REX customize first" a array is
set in the input field. This doesn't work because the template exepects
a comma-seperated list.