Clear visualizer on item change

build.gradle

@@ -28,7 +28,7 @@ ext {
     date = git.head().date.format("yy.MM.dd")
     revision = "-${git.head().abbreviatedId}"
     parents = git.head().parentIds;
-    index = -78;  // Offset to mach CI
+    index = -79;  // Offset to mach CI
     int major, minor, patch;
     major = minor = patch = 0;
     for (;parents != null && !parents.isEmpty();index++) {

core/src/main/java/com/sk89q/worldedit/command/tool/BrushTool.java

@@ -362,6 +362,8 @@ public class BrushTool implements DoubleActionTraceTool, ScrollTool, MovableTool
                 }
             }
             return true;
+        } else if (visualMode != VisualMode.NONE) {
+            clear(player);
         }
         return false;
     }