rbkey fix for collections
Merge branch 'feature' of https://github.com/ten24/Slatwall into feature-hofixCollections
disable the ability to delete id field from collections. set id field
visibility to false by default
Merge branch 'feature' of https://github.com/ten24/Slatwall into feature-hofixCollections
Merge pull request #2677 from ten24/feature-hofixCollections

Feature hofix collections