🐛 fix(bal-nav): Opening menu scrolls page back to top (#1433)

* Create PR for #1428

* fix(nav): will not scroll to top when open nav flyout

* chore: format files

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Gery Hirschfeld <gerhard.hirschfeld@baloise.ch>

.changeset/afraid-dancers-argue.md

@@ -0,0 +1,5 @@
+---
+'@baloise/ds-core': patch
+---
+
+**nav**: will not scroll to top when open nav flyout

packages/core/src/utils/scroll.ts

@@ -26,8 +26,8 @@ export class BalScrollHandler {
   }
 
   private target: HTMLElement | Document | undefined
-  private x = 0
-  private y = 0
+  private x: number | undefined = undefined
+  private y: number | undefined = undefined
   private disabled = false
 
   connect(el?: HTMLElement) {
@@ -62,7 +62,11 @@ export class BalScrollHandler {
         document.body.style.position = ''
         document.body.style.top = ''
         document.body.style.width = ''
-        window.scrollTo(this.x, this.y)
+        if (this.x !== undefined && this.y !== undefined) {
+          window.scrollTo(this.x, this.y)
+          this.x = undefined
+          this.y = undefined
+        }
         this.disabled = false
       }
     }