MTD-57 Separate language and translate columns.

[swirtSJW]

Testing steps

• [x] visit /admin/content and validate that the language and translate button are in two separate columns.
• [x] Visit /admin/content/bulk and validate that the language and translate button are in two separate columns.
• [x] Visit /section/veterans-benefits-administration/pension-benefits-hub and validate that the language and translate button are in two separate columns.

[kevwalsh]

Looks great.