Fixed - MaterialListBox PlaceHolder text not displayed correctly #358

Author: kevzlou7979

gwt-material/src/main/java/gwt/material/design/client/ui/MaterialListBox.java

@@ -75,6 +75,7 @@
 public class MaterialListBox extends MaterialListValueBox<String> implements HasId, HasGrid, HasColors, HasPlaceholder {
 
     public MaterialListBox() {
+        super();
     }
 
     public void add(Option option) {

gwt-material/src/main/java/gwt/material/design/client/ui/MaterialListValueBox.java

@@ -106,6 +106,7 @@ public MaterialListValueBox() {
 
     @Override
     public void onLoad() {
+        super.onLoad();
         if (!initialized) {
             initialized = true;
             createInternalChangeHandler(listBox.getElement());