Fix base_node name

wool_islands/map.conf

@@ -13,7 +13,7 @@ team.2.color = blue
 team.2.pos = (19,4,-42)
 
 phys_jump = 1.25
-base_node = ctf_map:dark_green
+base_node = ctf_map:wool_dark_green
 license = CC BY-SA 4.0. | Skybox textures adapted from the skybox "Interstellar skybox" (from https://opengameart.org/content/interstellar-skybox) by Jockum Skoglund (hipshot) and with adaptions from congusbongus (https://opengameart.org/content/interstellar-skybox-png), originally licensed under CC BY 3.0.
 initial_stuff = default:ladder 10,default:pick_stone,default:torch 5
 treasures = default:ladder,0.3,2,10,20;wool:red,0.3,2,10,20;default:cobble,0.4,5,10,15;wool:blue,0.3,2,10,20;default:wood,0.3,5,5,10;wool:grey,0.3,2,10,20;default:steel_ingot,0.15,2,2,6;doors:door_steel,0.3,5,1,3;ctf_traps:damage_cobble,0.3,4,10,15;ctf_map:reinforced_cobble,0.3,4,10,15;default:axe_steel,0.15,2,1,2;default:pick_steel,0.3,2,1,10;shooter:shotgun,0.05,2,1;grenades:frag,0.1,2,1;grenades:smoke,0.1,2,1;shooter:pistol,0.4,2,1,4;shooter:ammo,0.3,2,1,10;medkits:medkit,0.8,5,2;sniper_rifles:rifle_762_loaded,0.15,2,1;sniper_rifles:rifle_magnum_loaded,0.04,2,1