chore(*): add requested changes

Author: viktorkombov

CHANGELOG.md

@@ -1,11 +1,6 @@
 # Ignite UI for Angular Change Log
 
 All notable changes for each version of this project will be documented in this file.
-## 13.1.0
-
-### RTL Support
-- `IgxTabs` have full right-to-left (RTL) support.
-
 ## 13.1.0
 ### New Features
 - `igxTooltipTarget` directive now allows specifying a plain text tooltip without adding an additional DOM element decorated with the `igxTooltip` directive. This is achieved via the newly introduced `tooltip` string input.
@@ -14,6 +9,8 @@ All notable changes for each version of this project will be documented in this
        info
     </button>
     ```
+- `IgxTabs` have full right-to-left (RTL) support.
+
 ### General
 
 - `IgxGrid`, `IgxTreeGrid`, `IgxHierarchicalGrid`

projects/igniteui-angular/src/lib/tabs/tabs/tabs.component.ts

@@ -254,7 +254,7 @@ export class IgxTabsComponent extends IgxTabsDirective implements AfterViewInit,
         const viewPortWidth = this.viewPort.nativeElement.offsetWidth;
 
         this.offset = (scrollNext) ? element.offsetWidth + this.getElementOffset(element) - viewPortWidth : this.getElementOffset(element);
-        this.viewPort.nativeElement.scrollLeft = this.getDirection(this.offset);
+        this.viewPort.nativeElement.scrollLeft = this.getOffset(this.offset);
         this.updateScrollButtons();
     }
 
@@ -326,7 +326,7 @@ export class IgxTabsComponent extends IgxTabsDirective implements AfterViewInit,
         return itemsContainerWidth;
     }
 
-    private getDirection(offset: number): number {
+    private getOffset(offset: number): number {
         return this.dir.rtl ? -offset : offset;
     }