SEC-2830: Cleanup disabling Same Origin SockJS

- Defaults for properties false
- Add XML Namespace support

config/src/test/java/org/springframework/security/config/annotation/web/socket/AbstractSecurityWebSocketMessageBrokerConfigurerTests.java

@@ -408,8 +408,8 @@ public class AbstractSecurityWebSocketMessageBrokerConfigurerTests {
     static class CsrfDisabledSockJsSecurityConfig extends SockJsSecurityConfig {
 
         @Override
-        protected boolean sameOriginEnforced() {
-            return false;
+        protected boolean sameOriginDisabled() {
+            return true;
         }
     }