Add optional collection home page and descriptive collection content

fields: Implement review requests

- Change to fetching collection content fields from dspace.collection.* metadata fields.

Sponsored-by: Auckland University of Technology, New Zealand

src/app/collection-page/collection-form/collection-form.models.ts

@@ -56,22 +56,22 @@ export const collectionFormModels: DynamicFormControlModel[] = [
   }),
   new DynamicTextAreaModel({
     id: 'customfooter',
-    name: 'collection.customfooter',
+    name: 'dspace.collection.customfooter',
     spellCheck: environment.form.spellCheck,
   }),
   new DynamicTextAreaModel({
     id: 'headertext',
-    name: 'collection.headertext',
+    name: 'dspace.collection.headertext',
     spellCheck: environment.form.spellCheck,
   }),
   new DynamicTextAreaModel({
     id: 'homepageintrotext',
-    name: 'collection.homepageintrotext',
+    name: 'dspace.collection.homepageintrotext',
     spellCheck: environment.form.spellCheck,
   }),
   new DynamicTextAreaModel({
     id: 'ownername',
-    name: 'collection.ownername',
+    name: 'dspace.collection.ownername',
     spellCheck: environment.form.spellCheck,
   }),
 ];

src/app/core/shared/collection.model.ts

@@ -124,34 +124,34 @@ export class Collection extends DSpaceObject implements ChildHALResource, Handle
 
   /**
   * The header text of this collection
-  * Corresponds to the metadata field collection.headertext
+  * Corresponds to the metadata field dspace.collection.headertext
   */
   get customHeaderText(): string {
-    return this.firstMetadataValue('collection.headertext');
+    return this.firstMetadataValue('dspace.collection.headertext');
   }
 
   /**
   * The custom footer of this collection
-  * Corresponds to the metadata field collection.customfooter
+  * Corresponds to the metadata field dspace.collection.customfooter
   */
   get customFooterText(): string {
-    return this.firstMetadataValue('collection.customfooter');
+    return this.firstMetadataValue('dspace.collection.customfooter');
   }
 
   /**
   * The home page intro text of this collection
-  * Corresponds to the metadata field collection.homepageintrotext
+  * Corresponds to the metadata field dspace.collection.homepageintrotext
   */
   get customHomePageIntroText(): string {
-    return this.firstMetadataValue('collection.homepageintrotext');
+    return this.firstMetadataValue('dspace.collection.homepageintrotext');
   }
 
   /**
   * The owner name of this collection
-  * Corresponds to the metadata field collection.introtext
+  * Corresponds to the metadata field dspace.collection.introtext
   */
   get customOwnerNameText(): string {
-    return this.firstMetadataValue('collection.ownername');
+    return this.firstMetadataValue('dspace.collection.ownername');
   }
 
   /**