Philipp Zabel authored Dec 11, 2023 and Marius Vlad committed Apr 15, 2024

Fix a crash when right-clicking on a weston-terminal, where
weston_desktop_seat_popup_grab_add_surface() is called with
seat->popup_grab.keyboard.keyboard == NULL in case there is
no keyboard connected.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
(cherry picked from commit b72785e1)