added the elmeent on the nav and fixed the payments transactions

app/services/AuthService.js

@@ -126,12 +126,20 @@ const AuthService = Object.freeze({
     return this.getRoles().includes('Owner');
   },
 
+  /**
+   * User has RealEstateAgent role
+   * @returns {boolean}
+   */
+  isAgent() {
+    return this.getRoles().includes('RealEstateAgent');
+  },
+
   /**
    * Authenticated user without Owner role (i.e. customer)
    * @returns {boolean}
    */
   isCustomer() {
-    return this.isAuthenticated() && !this.isOwner();
+    return this.isAuthenticated() && !this.isOwner() && !this.isAgent();
   },
 
   /**