Add and expose facetedTag facet in Studio for target versions >= 9.10

Tags are now exposed as a facet in 9.10+

TODO

• Add facetedTag facet in the default registries for TP 9.10+
• Studio label: Document can be tagged
• Help label: Allows to manage tags to your document type. Available starting from Nuxeo Server LTS 2017.
• Placement: just above Full-text indexing of related text facet.

ACCEPTANCE CRITERIA

• When switching to TP 9.10, facet is available in the list.
• When adding the facet, generated XML takes the facet into account.
• When extending an existing doctype that has this facet, it is automatically selected.
• When switching to a TP < 9.10, facet is not available.