transito: depend on libxcb independently of libX11 propagating it

+1
+1
pkgs/by-name/tr/transito/package.nix
··· 32 32 xorg.libX11 33 33 xorg.libXcursor 34 34 xorg.libXfixes 35 + xorg.libxcb 35 36 libGL 36 37 sqlite 37 38 ];