[ACS-8635] Properly handle each case of viewing files linked to process/task (#10169)

* [ACS-8635] Properly handle each case of viewing files linked to process/task

* [ACS-8635] Unit test coverage

lib/process-services/src/lib/form/widgets/content-widget/attach-file-widget.component.spec.ts

@@ -172,6 +172,16 @@ describe('AttachFileWidgetComponent', () => {
         fixture.destroy();
     });
 
+    it('should add file to tempFilesList when form has value and file source is configured', () => {
+        spyOn(widget, 'isFileSourceConfigured').and.returnValue(true);
+        widget.field = new FormFieldModel(new FormModel(), {
+            type: FormFieldTypes.UPLOAD,
+            value: [fakePngAnswer]
+        });
+        fixture.detectChanges();
+        expect(widget.isTemporaryFile(fakePngAnswer)).toBeTrue();
+    });
+
     it('should show up as simple upload when is configured for only local files', async () => {
         spyOn(activitiContentService, 'getAlfrescoRepositories').and.returnValue(of(null));
         widget.field = new FormFieldModel(new FormModel(), {
@@ -517,19 +527,6 @@ describe('AttachFileWidgetComponent', () => {
             await fixture.whenStable();
         });
 
-        it('should raise formContentClicked event when file has sourceId', async () => {
-            const testFile = {
-                sourceId: '12345',
-                id: '12345',
-                contentAvailable: true
-            };
-            formService.formContentClicked.subscribe((file) => {
-                expect(file).not.toBeNull();
-                expect(file).toBe(testFile);
-            });
-            fixture.componentInstance.onAttachFileClicked(testFile);
-        });
-
         it('should not display the show button file when is an external file', async () => {
             fakePngAnswer.isExternal = true;
             spyOn(processContentService, 'getFileRawContent').and.returnValue(of(fakePngAnswer));

lib/process-services/src/lib/form/widgets/content-widget/attach-file-widget.component.ts

@@ -85,6 +85,10 @@ export class AttachFileWidgetComponent extends UploadWidgetComponent implements
     ngOnInit() {
         super.ngOnInit();
 
+        if (Array.isArray(this.field.value) && this.isFileSourceConfigured()) {
+            this.tempFilesList.push(...this.field.value);
+        }
+
         this.activitiContentService.getAlfrescoRepositories().subscribe((repoList) => {
             this.repositoryList = repoList;
         });
@@ -170,7 +174,7 @@ export class AttachFileWidgetComponent extends UploadWidgetComponent implements
         if (file.isExternal || !file.contentAvailable) {
             return;
         }
-        if (this.isTemporaryFile(file) || file.sourceId) {
+        if (this.isTemporaryFile(file)) {
             this.formService.formContentClicked.next(file);
         } else {
             this.fileClicked(file);