This patch restores the ability to use the keyboard for the TableWindow
popup window by not including the 'More Options...' button when
activated by keyboard from a toolbox. It also limits handling of key
input to SPACE, RETURN, and ESCAPE key input when mouse activated.

Change-Id: I306bcb844a829ca7067b8496f37cb68f35fa754d
Reviewed-on: https://gerrit.libreoffice.org/71813
Tested-by: Jenkins
Reviewed-by: Jim Raykowski <raykowj@gmail.com>