This is iterating over the keys() of a member container we've just
filled in the same function. The loop body clearly doesn't modify the
container being iterated over. Port to the future-proof ranged
for-loop over asKeyValueRange(), using the _-in-SB pattern Christian
Ehrlicher showed me to indicate we're not interested in the value.
Task-number: QTBUG-115803
Pick-to: 6.6 6.5
Change-Id: I3d86a1de9ea460b7d57fa421ea76e41d2c122f43
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
d67aa6291d