TCK: Spec1553IT: Fix jakarta.faces.composite namespace handling

TCK Spec1553IT Test Fails here: https://github.com/jakartaee/faces/blob/4.0.1/tck/faces40/namespaces/src/test/java/ee/jakarta/tck/faces/test/servlet50/namespaces/Spec1553IT.java#L101

xhtml Code:

https://github.com/jakartaee/faces/blob/4.0.1/tck/faces40/namespaces/src/main/webapp/spec1553IT.xhtml

xmlns:cc_jakarta="jakarta.faces.composite/components"
...
<div id="cc_jakarta"><cc_jakarta:component value="value" /></div>

The issue is within CompositeResourceLibrary. Each namespace, expect the current jakarta one, has a ending slash:

public final static String NAMESPACE_PREFIX = "jakarta.faces.composite";
public final static String JCP_NAMESPACE_PREFIX = "http://xmlns.jcp.org/jsf/composite/";
public final static String SUN_NAMESPACE_PREFIX = "http://java.sun.com/jsf/composite/";

This difference affects how the substring call occurs: https://github.com/apache/myfaces/blob/89c747e85615e3f33265e664c8361789f38ea7db/impl/src/main/java/org/apache/myfaces/view/facelets/tag/composite/CompositeResourceLibrary.java#L215

With the old namespaces, "components" would be returned. But now since jakarta.faces.composite is removed, the libraryName is "/components". This leading slash creates problems when creating/looking up resource.