Merge branch 'fix-avs-dlink-inventory-set-stack' into 'master'

DLink.DxS.get_inventory. Set stack number.

See merge request !6477

(cherry picked from commit 8123828d)

a911961f DLink.DxS.get_inventory. Set stack number.
9a0b17c1 Fix flake.
5c02d754 Fix execute.
841d477e Fix getting stack.
d0636481 Fix box_id initial value.
6 jobs for !6496 with cherry-pick-8123828d in 14 minutes and 16 seconds (queued for 5 seconds)
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