ECMS-5812: [IE] Support accent characters in page name

Fix description:
* Adapt the change in GateIn's UIPortalApplication.gtmpl to ECMS to support accent characters.
* Replace href by onclick to avoid encoding issue in IE.

Conflicts:

	core/webui/src/main/resources/groovy/ecm/webui/core/UIPageIterator.gtmpl
	core/webui/src/main/resources/groovy/wcm/webui/selector/page/UIPageSelectorPanel.gtmpl
	packaging/wcm/webapp/src/main/webapp/groovy/portal/webui/workspace/UIPortalApplication.gtmpl