Reduce ZoneRenderer threshold to a single microsecond, and report in microseconds

Author: kwvanderlinde

src/main/java/net/rptools/maptool/client/ui/zone/renderer/ZoneRenderer.java

@@ -31,6 +31,7 @@
 import java.text.NumberFormat;
 import java.util.*;
 import java.util.List;
+import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
@@ -704,7 +705,8 @@ public void paintComponent(Graphics g) {
     CodeTimer.using(
         "ZoneRenderer.renderZone",
         timer -> {
-          timer.setThreshold(10);
+          timer.setThreshold(1, TimeUnit.MICROSECONDS);
+          timer.setReportingUnit(TimeUnit.MICROSECONDS);
 
           if (!viewModel.isUsingGdxRenderer()) {
             timer.start("paintComponent");