WICKET-7104: Use JavaScript dynamic resolution of the first function parameter

Using the parameter name (i.e. 'input') does not work after JS
minification.
Using `arguments[0]` does not depend on the parameter name and should
work in both minified and non-minified JavaScript.

Signed-off-by: Martin Tzvetanov Grigorov <mgrigorov@apache.org>
(cherry picked from commit 1c15e83c348d5001414a0aaa64da114ca1692007)
diff --git a/wicket-extensions/src/main/java/org/apache/wicket/extensions/ajax/markup/html/autocomplete/AbstractAutoCompleteRenderer.java b/wicket-extensions/src/main/java/org/apache/wicket/extensions/ajax/markup/html/autocomplete/AbstractAutoCompleteRenderer.java
index ea182f6..51186a5 100644
--- a/wicket-extensions/src/main/java/org/apache/wicket/extensions/ajax/markup/html/autocomplete/AbstractAutoCompleteRenderer.java
+++ b/wicket-extensions/src/main/java/org/apache/wicket/extensions/ajax/markup/html/autocomplete/AbstractAutoCompleteRenderer.java
@@ -107,10 +107,10 @@
 	 * protected CharSequence getOnSelectJavaScript(Address address)
 	 * {
 	 * 	final StringBuilder js = new StringBuilder();
-	 * 	js.append(&quot;wicketGet('street').value ='&quot; + address.getStreet() + &quot;';&quot;);
-	 * 	js.append(&quot;wicketGet('zipcode').value ='&quot; + address.getZipCode() + &quot;';&quot;);
-	 * 	js.append(&quot;wicketGet('city').value ='&quot; + address.getCity() + &quot;';&quot;);
-	 * 	js.append(&quot;input&quot;); // &lt;-- do not use return statement here!
+	 * 	js.append(&quot;Wicket.DOM.get('street').value ='&quot; + address.getStreet() + &quot;';&quot;);
+	 * 	js.append(&quot;Wicket.DOM.get('zipcode').value ='&quot; + address.getZipCode() + &quot;';&quot;);
+	 * 	js.append(&quot;Wicket.DOM.get('city').value ='&quot; + address.getCity() + &quot;';&quot;);
+	 * 	js.append(&quot;arguments[0]&quot;); // &lt;-- do not use return statement here!
 	 * 	return js.toString();
 	 * }
 	 * </pre>