[ADF-3746] Add style lint rules (#3975)

* add stylelint

* fix style first part

*  fix style second part

*  fix style third part

*  fix style fourth part

* Fix e2e tests first part

* Fix e2e tests second part

* Rebase branch

*  fix style third part

*  fix style fourth part

* Fix list error

* fix insights

* fix style abotu component

* Fix e2e tests second part

* Rebase branch

*  fix style third part

*  fix style fourth part

* Fix list error

* Fix e2e tests second part

* Rebase branch

*  fix style third part

*  fix style fourth part

* Fix list error

* [ADF-3746] Rebase branch

* Fix e2e tests second part

* Rebase branch

*  fix style third part

*  fix style fourth part

* Fix list error

* Fix e2e tests second part

* Rebase branch

* Fix list error

* fix new style added

* tslint fix

* [ADF-3746] Fix scss errors on Process Filters Cloud component

lib/content-services/content-node-selector/content-node-selector.component.html

@@ -25,7 +25,7 @@
 
     <button mat-button
         [disabled]="!chosenNode"
-        class="choose-action"
+        class="adf-choose-action"
         (click)="onClick()"
         data-automation-id="content-node-selector-actions-choose">{{ buttonActionName | translate }}
     </button>