refactored resource type and type mapping

src/app/core/config/models/config-submission-section.model.ts

@@ -1,5 +1,6 @@
 import { ConfigObject } from './config.model';
 import { SectionsType } from '../../../submission/sections/sections-type';
+import { ResourceType } from '../../shared/resource-type';
 
 /**
  * An interface that define section visibility and its properties.
@@ -10,6 +11,7 @@ export interface SubmissionSectionVisibility {
 }
 
 export class SubmissionSectionModel extends ConfigObject {
+  static type = new ResourceType('submissionsection');
 
   /**
    * The header for this section