ISIS-537 Reduce event more the vertical space between the entity properties by copmletely hiding the label when .label-none.

Remove the top padding (5px) and make the bottom padding 2px bigger (to 7px).

https://trello.com/c/ZaacXqga/105-if-labelat-none-then-remove-the-large-amount-of-vertical-white-space-where-the-label-would-ve-been