fix: correct mfaStatus

.equals() instead of ==

Author: melanger

perun-core/src/main/java/cz/metacentrum/perun/core/impl/modules/attributes/urn_perun_user_attribute_def_virt_mfaStatus.java

@@ -31,7 +31,7 @@ public Attribute getAttributeValue(PerunSessionImpl perunSession, User user, Att
 			Attribute mfaSettings = perunSession.getPerunBl().getAttributesManagerBl().getAttribute(perunSession, user, mfaEnforceSettings);
 			if (mfaSettings.getValue() == null || mfaSettings.getValue() == "") {
 				attr.setValue("");
-			} else if (mfaSettings.getValue() == "{\"all\":true}") {
+			} else if (mfaSettings.getValue().equals("{\"all\":true}")) {
 				attr.setValue("ENFORCED_ALL");
 			} else {
 				attr.setValue("ENFORCED_PARTIALLY");