Merge branch 'NXSTAGE-X-Accordion_content_flash_fix' into 'development'

Overflow hidden for accordion content to prevent content showing too early

See merge request julkiset-sivut/design-system-lib!135

src/components/accordion-item/accordion-item.scss

@@ -195,6 +195,7 @@
   display: block;
   height: 0;
   padding: 0;
+  overflow: hidden;
   transition: all 0.25s ease-in-out;
 
   &--inner-wrapper {