port to the new multilevel KCM api

Authored by mart on Dec 5 2018, 10:03 AM.

Description

port to the new multilevel KCM api

also, port forms to Kirigami FormLayout
using the new api FormLayout.twinFormLayouts to
sync alignment of multiple layouts which are
separed for implementation reasons

Details

Committed
jgrulichMay 2 2020, 10:11 AM
Parents
R116:67e5d3635f4e: Add accidentaly removed mobilyproxymodel
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