Fixes wrong placeholder value #159

Placeholder value did not check default and world limits. It used just island limits that are assigned via permissions.

This commit should fix it.

src/main/java/world/bentobox/limits/Limits.java

@@ -191,11 +191,11 @@ private String getLimit(@Nullable User user, Material m, GameModeAddon gm) {
         if (is == null) {
             return LIMIT_NOT_SET;
         }
-        @Nullable IslandBlockCount ibc = getBlockLimitListener().getIsland(is.getUniqueId());
-        if (ibc == null) {
-            return LIMIT_NOT_SET;
-        }
-        int limit = ibc.getBlockLimit(m);
+
+        int limit = this.getBlockLimitListener().
+            getMaterialLimits(is.getWorld(), is.getUniqueId()).
+            getOrDefault(m, -1);
+
         return limit == -1 ? LIMIT_NOT_SET : String.valueOf(limit);
     }