fix: Check if feature is enabled before calling enterprise api

This fixes the issue of django messages being read before
redirecting to dashboard page, due to enterprise api being
called even if the feature is disabled.

lms/static/js/student_account/views/AccessView.js

@@ -173,7 +173,7 @@
                         this.listenTo(this.subview.login, 'password-help', this.resetPassword);
 
                     // Listen for 'auth-complete' event so we can enroll/redirect the user appropriately.
-                        if (!isTpaSaml) {
+                        if (this.isEnterpriseEnable == true && !isTpaSaml) {
                             this.listenTo(this.subview.login, 'auth-complete', this.loginComplete);
                         } else {
                             this.listenTo(this.subview.login, 'auth-complete', this.authComplete);