Inventory mode is always disabled in host prototype when linking template

• Change inventory mode to "Automatic" in template host prototype
• Linking the template to host
• Inventory mode is "Disabled" in host prototype for the host

After the operation above:

• Change inventory mode to "Disabled" in template host prototype
• Change inventory mode to "Automatic" again in template host prototype

The operation allows to change inventory mode to Automatic for the host.