[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/process-services/task-list/components/task-details.component.html

@@ -10,7 +10,7 @@
 <div *ngIf="taskDetails" class="adf-task-details">
 
     <div *ngIf="showHeader" class="adf-task-details-header">
-        <h2 class="activiti-task-details__header">
+        <h2 class="adf-activiti-task-details__header">
             <span>{{taskDetails.name || 'No name'}}</span>
         </h2>
     </div>
@@ -82,7 +82,7 @@
         <div class="adf-task-details-core-sidebar">
             <adf-info-drawer *ngIf="showHeaderContent" title="{{ 'ADF_TASK_LIST.DETAILS.LABELS.INFO_DRAWER_TITLE' | translate }}" id="adf-task-details-core-sidebar-drawer" class="adf-task-details-core-sidebar-drawer">
                 <adf-info-drawer-tab label="{{ 'ADF_TASK_LIST.DETAILS.LABELS.INFO_DRAWER_TAB_DETAILS_TITLE' | translate }}">
-                    <div class="assignment-container" *ngIf="showAssignee">
+                    <div class="adf-assignment-container" *ngIf="showAssignee">
                         <adf-people-search
                             (searchPeople)="searchUser($event)"
                             (success)="assignTaskToUser($event)"