Static variable use to determine if initializing can focus properties of
recent and favorite controls is needed only allows init to ever happen
once. This patch changes use to a member variable. This corrects the
problem of kb navigation only works the the first time the popup is shown
and tab is used to navigate.

Change-Id: I2bbb66071b582c9a4282c79d801b4a36c375ed2d
Reviewed-on: https://gerrit.libreoffice.org/72264
Tested-by: Jenkins
Reviewed-by: Jim Raykowski <raykowj@gmail.com>