chore(build): make xcb dep xwayland-only

Author: dy-tea

meson.build

@@ -68,15 +68,14 @@ libs = [
   dependency('pixman-1'),
   dependency('xkbcommon'),
   dependency('libinput'),
-  dependency('xcb'),
   tomlcpp_dep,
   wlroots,
   json,
 ]
 
 # xwayland
 if xwayland_option
-  libs += [xwayland]
+  libs += [xwayland, dependency('xcb')]
 endif
 
 # backward-cpp