Hide empty recommended options.
Hide empty recommended options.

Currently, menu-inputs with empty recommended options display the word
'Recommended' with nothing underneath.
This CL hides that label when the recommended options are empty.

Bug: chromium:918193
Change-Id: I43c80106281003f4593f518c1ac3e79d626c0c62
Reviewed-on: https://chromium-review.googlesource.com/c/1480861
Reviewed-by: Simon Hatch <490a224d89645d3fea983d7189ce51bde0a00c1d@chromium.org>
Commit-Queue: Ben Hayden <d3ffe0e065c2328e497bb32a07f4dcb29138ef5b@chromium.org>

catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult