[ACS-5645]Implemented changes as per the review comments

lib/content-services/src/lib/content-metadata/components/content-metadata/content-metadata.component.spec.ts

@@ -105,7 +105,7 @@ describe('ContentMetadataComponent', () => {
     const clickOnTagsSave = () => {
         findSaveTagsButton().click();
         fixture.detectChanges();
-    }
+    };
 
     const findTagsCreator = (): TagsCreatorComponent => fixture.debugElement.query(By.directive(TagsCreatorComponent))?.componentInstance;
 
@@ -324,7 +324,7 @@ describe('ContentMetadataComponent', () => {
             tag2.tag = tagName2;
             expect(tagService.removeTag).toHaveBeenCalledWith(node.id, tagPaging.list.entries[1].entry.id);
             expect(tagService.assignTagsToNode).toHaveBeenCalledWith(node.id, [tag1, tag2]);
-        }));
+          }));
 
         it('should call getTagsByNodeId on TagService on save click', () => {
             component.editableTags = true;
@@ -813,6 +813,7 @@ describe('ContentMetadataComponent', () => {
 
     describe('Display properties with aspect oriented config', () => {
         let appConfig: AppConfigService;
+        let classesApi: ClassesApi;
         let expectedNode: Node;
 
         const verResponse: PropertyGroup = {

lib/content-services/src/lib/content-metadata/components/content-metadata/content-metadata.component.ts

@@ -196,6 +196,10 @@ export class ContentMetadataComponent implements OnChanges, OnInit, OnDestroy {
     @Input()
     group: CardViewGroup;
 
+     /** Emitted when content's editable state is changed. **/
+    @Output()
+    editableChange = new EventEmitter<boolean>();
+
     private _assignedTags: string[] = [];
     private assignedTagsEntries: TagEntry[] = [];
     private _editable = false;
@@ -571,6 +575,10 @@ export class ContentMetadataComponent implements OnChanges, OnInit, OnDestroy {
         );
     }
 
+    private isEmpty(value: any): boolean {
+        return value === undefined || value === null || value === '';
+    }
+
     private loadCategoriesForNode(nodeId: string) {
         this.assignedCategories = [];
         this.categoryService.getCategoryLinksForNode(nodeId).subscribe((categoryPaging) => {