patch 9.1.1965: q can accidentally start recording at more prompt

patch 9.1.1965: q can accidentally start recording at more prompt

Problem:  When exiting at the end of the more prompt (at the hit enter
          prompt) by hitting q the recording mode will be started.
          (Jakub Łuczyński)
Solution: Don't add the q key to the typeahead buffer
          in the function wait_return (Bjoern Foersterling)

fixes: #2589
closes: #18889

Signed-off-by: Bjoern Foersterling <bjoern.foersterling@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>