Allow masks parsed from input to ignore the blacklist.

Fixes WORLDEDIT-3149.

src/main/java/com/sk89q/worldedit/extension/input/ParserContext.java

@@ -42,6 +42,26 @@ public class ParserContext {
     private boolean restricted = true;
     private boolean preferringWildcard;
 
+    /**
+     * Create a new instance.
+     */
+    public ParserContext() {
+    }
+
+    /**
+     * Creates a copy of another instance.
+     *
+     * @param other the other instance
+     */
+    public ParserContext(ParserContext other) {
+        setExtent(other.getExtent());
+        setSession(other.getSession());
+        setWorld(other.getWorld());
+        setActor(other.getActor());
+        setRestricted(other.isRestricted());
+        setPreferringWildcard(other.isPreferringWildcard());
+    }
+
     /**
      * Get the {@link Extent} set on this context.
      *

src/main/java/com/sk89q/worldedit/extension/registry/DefaultMaskParser.java

@@ -132,7 +132,9 @@ class DefaultMaskParser extends InputParser<Mask> {
                 }
 
             default:
-                return new BlockMask(extent, worldEdit.getBlockRegistry().parseFromListInput(component, context));
+                ParserContext tempContext = new ParserContext(context);
+                tempContext.setRestricted(false);
+                return new BlockMask(extent, worldEdit.getBlockRegistry().parseFromListInput(component, tempContext));
         }
     }