OPENOLAT-38: email read only for user

src/main/java/org/olat/user/propertyhandlers/_spring/userPropertiesContext.xml

@@ -108,6 +108,8 @@
 								<ref bean="userPropertyInstitutionalEmail" />
 								<ref bean="userPropertyOrgUnit" />
 								<ref bean="userPropertyStudySubject" />
+								<!-- OPENOLAT-38 -->
+								<ref bean="userPropertyEmail" />
 							</set>
 						</property>
 						<property name="adminViewOnlyProperties">