Release Multi Tenant for 8.10

Remove JSF dependencies and release Multi Tenant for 8.10.

Includes:

• splitting the module between the "Seam/JSF-dependent part" and the "core part"
• update the package, deploying the JSF part depending on the nuxeo-jsf-ui package presence
• release the addon and the package for 8.10
• add the modules back to addons (see changes on NXP-20906)
• add the package back to marketplace.ini (see changes on NXP-20906) for both 8.10 and master branches