Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Frank Karlitschek <karlitschek@users.noreply.github.com>

Author: karlitschek

src/components/ActivityHeatmap.vue

@@ -462,7 +462,7 @@ async function loadHistogram(): Promise<void> {
 		// the grid to exist before scrolling it.
 		await nextTick()
 		const element = scroller.value
-		if (element !== undefined) {
+		if (element) {
 			element.scrollLeft = element.scrollWidth
 		}
 	} catch (error) {