The thumbwheel is a control widget hence moving to appropriate section

Author: shroffk

app/display/thumbwheel/src/main/java/org/csstudio/display/widget/ThumbwheelWidget.java

@@ -36,7 +36,8 @@ public class ThumbwheelWidget extends WritablePVWidget {
 
     /** Widget descriptor */
     public static final WidgetDescriptor WIDGET_DESCRIPTOR =
-            new WidgetDescriptor("thumbwheel", WidgetCategory.MONITOR,
+            new WidgetDescriptor("thumbwheel",
+                    WidgetCategory.CONTROL,
                     "Thumbwheel",
                     "/icons/thumbwheel.gif",
                     "Display a thumbwheel",

app/display/thumbwheel/src/main/java/org/csstudio/display/widget/ThumbwheelWidgetRepresentation.java

@@ -9,7 +9,6 @@
 import org.csstudio.display.builder.model.util.VTypeUtil;
 import org.csstudio.display.builder.representation.javafx.JFXUtil;
 import org.csstudio.display.builder.representation.javafx.widgets.RegionBaseRepresentation;
-import org.csstudio.display.widget.thumbwheel.ThumbWheel;
 import org.epics.vtype.Display;
 import org.epics.vtype.VType;