[ADF-2054] Created a new widget to handle uploading file from Share (#2810)

* [ADF-2054] start creating custom upload widget for share integration

* [ADF-2054] changed content node selector service to allow different opening approach

* [ADF-2054] addedd support for multi resource files

* [ADF-2054] fixed base case for upload when only local files are selected

* [ADF-2054] start adding and fixing tests for new share attach button widget

* [ADF-2054] changed test to perfrom a correct check

* [ADF-2054] removed fdescribe

* [ADF-2054] added test for share-widget component

* [ADF-2054] added peer reviews changes

* [ADF-2054] created a module folder for content widgets

* [ADF-2054] fixed wrong import

* [ADF-2054] fixed rebase errors

* [ADF-2054] restored some files changed by rebase

* [ADF-2054] added link to content services to fix packaging issue

* [ADF-2054] renamed widget

lib/process-services/process-list/components/process-instance-tasks.component.ts

@@ -53,9 +53,6 @@ export class ProcessInstanceTasksComponent implements OnInit, OnChanges {
     message: string;
     processId: string;
 
-    // @ViewChild('dialog')
-    // dialog: any;
-
     @ViewChild('startDialog')
     startDialog: any;