Use handles instead of id values for user globalset permissions

[angrybrad]

Created by: Anonymous ([email protected]) on 2015/03/16 11:59:50 +0000
Votes at time of UserVoice import: 1

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For migrating data between environments we would like to use handles as reference.
So instead of "editGlobalSet:5" use "editGlobalSet:generic" for defining user globalset permissions.

Other user permissions are already using handles instead of ids.