Reject user interaction until animation stoped (#3673)

android/app/src/main/java/com/reactnativenavigation/views/LeftButton.java

 
     @Override
     public void onClick(View v) {
+        if (isRunning()) {
+            return;
+        }
         if (isBackButton()) {
             handleBackButtonClick();
         } else if (isSideMenuButton()) {