Remove duplicate render after first Apply.

After first apply, we ended up to render calls: one from the post-apply
code, and another one -- a delayed render -- coming from the
resetCamera() logic. Fixed by ensuring that the duplicate renders don't
happen.

Change-Id: Ib8153754d93fb587d339dee6381517ec9961f4b1
Merge topic 'lookup_table_cleanup' into next

e63ed6ec Remove duplicate render after first Apply.