EQL - Simplify nested query where expressions after parsing

src/main/java/com/avaje/ebeaninternal/server/expression/NestedPathWrapperExpression.java

@@ -24,6 +24,11 @@ class NestedPathWrapperExpression implements SpiExpression {
     this.delegate = delegate;
   }
 
+  @Override
+  public void simplify() {
+    // do nothing
+  }
+
   @Override
   public void writeDocQuery(DocQueryContext context) throws IOException {
     context.startNested(nestedPath);