[ADF-4402] Move component related styles from demo-shell to ADF components (#4808)

* [ADF-4402] remove styling of non-existent items

* [ADF-4402] remove not needed style - bcs overwritten by style from core

* [ADF-4559] remove demo-shell only class from core styling

- use class name from core component for styling

* [ADF-4402] remove not used styling code

- .adf-app-layout-toolbar no longer exists, so no need keep its style

* [ADF-4402] move style from demo-shell to core

- same style was needed in ACA, so probably should be best in core ADF

* [ADF-4402] remove not used styling code

* [ADF-4402] move adf-toolbar-title style from demo-shell to core

* [ADF-4402] remove not used styling code

* [ADF-4402] use existing css class

* [ADF-4402] remove style already set from pagination component

* [ADF-4402] remove not used styling code

* [ADF-4402] viewer toolbar width

demo-shell/src/app/components/process-service/process-service.component.html

@@ -34,7 +34,7 @@
                     </mat-accordion>
                 </div>
                 <div class="adf-grid-item adf-tasks-list" fxFlex.gt-md="380px"
-                     [ngClass.gt-md]="{'small-pagination': true}"
+                     [ngClass.gt-md]="{'adf-small-pagination': true}"
                      *ngIf="taskFilter && !isStartTaskMode()">
                     <adf-tasklist
                         [appId]="taskFilter?.appId"