Quantum 9dee9ed7bb [client] main: better error when no display server is available
This commit makes it show a prettier error message when no display
server is available, including the display servers compiled. This
replaces the old assert.

Example output:

[E] 572277145932              main.c:1167 | lg_run                         | No display servers available, tried:
[E] 572277145934              main.c:1169 | lg_run                         | * Wayland
[E] 572277145935              main.c:1169 | lg_run                         | * X11
2022-07-13 07:05:07 +10:00
..
2018-05-23 08:46:03 +10:00