Wait for theme change before finishing (if applicable)

Change-Id: Ib691bea891e105c6aff430735bd96d07091b4a02
CMAccount: update holo preview image

Now more closely resembles the hexo preview.

Change-Id: Iff70a992d1c96e83b3e09b5cf5e53f9ec753c1aa
Signed-off-by: Roman Birg <roman@cyngn.com>