techdocs: reset scroll position on page navigate (#5018)

Signed-off-by: Chongyang Adrian, Ke <ftt.adrian.ke@grabtaxi.com>

Co-authored-by: Chongyang Adrian, Ke <ftt.adrian.ke@grabtaxi.com>

.changeset/slimy-lies-tap.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-techdocs': patch
+---
+
+TechDocs: links at sidebar and bottom reset scroll position to top

plugins/techdocs/src/reader/components/Reader.tsx

@@ -113,6 +113,7 @@ export const Reader = ({ entityId, onReady }: Props) => {
       addLinkClickListener({
         baseUrl: window.location.origin,
         onClick: (_: MouseEvent, url: string) => {
+          window.scroll({ top: 0 });
           const parsedUrl = new URL(url);
           if (parsedUrl.hash) {
             history.pushState(