[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/dialogs/download-zip.dialog.html

@@ -3,7 +3,7 @@
     <mat-progress-bar color="primary" mode="indeterminate"></mat-progress-bar>
 </div>
 <div mat-dialog-actions>
-    <span class="spacer"></span>
+    <span class="adf-spacer"></span>
     <button mat-button color="primary" (click)="cancelDownload()">
         {{ 'CORE.DIALOG.DOWNLOAD_ZIP.ACTIONS.CANCEL' | translate }}
     </button>

lib/content-services/dialogs/download-zip.dialog.scss

@@ -1,4 +1,4 @@
-.spacer { flex: 1 1 auto; }
+.adf-spacer { flex: 1 1 auto; }
 
 .adf-download-zip-dialog .mat-dialog-actions .mat-button-wrapper {
     text-transform: uppercase;

lib/content-services/dialogs/folder.dialog.scss

@@ -7,16 +7,16 @@
 }
 
 .adf-lock-file-name {
-    .mat-checkbox-layout{
+    .mat-checkbox-layout {
         width: 100%;
     }
 
-    .mat-checkbox-label{
+    .mat-checkbox-label {
         text-overflow: ellipsis;
         overflow: hidden;
     }
 
-    .mat-checkbox-inner-container{
+    .mat-checkbox-inner-container {
         margin: auto 0;
         margin-right: 8px;
     }