Fix light offset for beams to measure counterclockwise as for cones

Isometric maps already did this, but all other maps (including gridless) measured clockwise for beams, counterclockwise
for cones.

src/main/java/net/rptools/maptool/model/Grid.java

@@ -454,7 +454,7 @@ public void setSize(int size) {
 
         visibleArea =
             new Area(
-                AffineTransform.getRotateInstance(Math.toRadians(offsetAngle + tokenFacingAngle))
+                AffineTransform.getRotateInstance(Math.toRadians(tokenFacingAngle - offsetAngle))
                     .createTransformedShape(lineShape));
       }
       case CONE -> {