Update the XPath default value for CAS attributes mapping

Author: akunzai

src/plugins/system/caslogin/forms/cas.xml

@@ -148,7 +148,7 @@
 				required="true"
 				cols="50"
 				rows="5"
-				default="string(cas:user)"
+				default="string(cas:attributes/cas:email)"
 				label="PLG_SYSTEM_CASLOGIN_FIELD_USERNAME_XPATH_LABEL"
 				description="PLG_SYSTEM_CASLOGIN_FIELD_USERNAME_XPATH_DESC"
 			/>
@@ -159,7 +159,7 @@
 				required="true"
 				cols="50"
 				rows="5"
-				default="string(cas:user)"
+				default="string(cas:attributes/cas:display_name)"
 				label="PLG_SYSTEM_CASLOGIN_FIELD_NAME_XPATH_LABEL"
 				description="PLG_SYSTEM_CASLOGIN_FIELD_NAME_XPATH_DESC"
 			/>
@@ -170,7 +170,7 @@
 				required="true"
 				cols="50"
 				rows="5"
-				default="concat(cas:user, substring('@localhost.org', 1 div not(contains(cas:user, '@'))))"
+				default="string(cas:attributes/cas:email)"
 				label="PLG_SYSTEM_CASLOGIN_FIELD_EMAIL_XPATH_LABEL"
 				description="PLG_SYSTEM_CASLOGIN_FIELD_EMAIL_XPATH_DESC"
 			/>