[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/material.module.ts

@@ -21,7 +21,7 @@ import {
     MatChipsModule, MatDatepickerModule, MatDialogModule, MatGridListModule, MatIconModule,
     MatInputModule, MatListModule, MatNativeDateModule, MatOptionModule, MatProgressSpinnerModule, MatRadioModule,
     MatRippleModule, MatSelectModule, MatSlideToggleModule, MatTableModule, MatTabsModule,
-    MatTooltipModule
+    MatTooltipModule, MatMenuModule
 } from '@angular/material';
 
 export function modules() {
@@ -30,7 +30,7 @@ export function modules() {
         MatCheckboxModule, MatDatepickerModule, MatGridListModule, MatIconModule, MatInputModule,
         MatListModule, MatOptionModule, MatRadioModule, MatSelectModule, MatSlideToggleModule, MatTableModule,
         MatTabsModule, MatProgressSpinnerModule, MatNativeDateModule, MatRippleModule, MatTooltipModule,
-        MatChipsModule
+        MatChipsModule, MatMenuModule
     ];
 }