Allow sending QuantityType to NumberItem (#3115)

NumberItems always accept QuantityType

Signed-off-by: Cody Cutrer <cody@cutrer.us>

bundles/org.openhab.core/src/main/java/org/openhab/core/library/items/NumberItem.java

@@ -80,6 +80,10 @@ public class NumberItem extends GenericItem {
         internalSend(command);
     }
 
+    public void send(QuantityType command) {
+        internalSend(command);
+    }
+
     @Override
     public @Nullable StateDescription getStateDescription(@Nullable Locale locale) {
         StateDescription stateDescription = super.getStateDescription(locale);