Merge branch 'fix-avs-generic-invetory-by-caps' into 'master'

Use Attribute capability for get_inventory scripts.

See merge request !6746

(cherry picked from commit de618261)

7b5eb86c Use Attribute capability for get_inventory scripts.
2822467b Add Custom attributes.
c3f27898 Fix typo.
33919bdd Up caps discovery over asset.