Add profile setup to onboarding in web UI (#27829)

app/javascript/mastodon/features/ui/index.jsx

@@ -210,7 +210,7 @@ class SwitchingColumnsArea extends PureComponent {
             <WrappedRoute path='/bookmarks' component={BookmarkedStatuses} content={children} />
             <WrappedRoute path='/pinned' component={PinnedStatuses} content={children} />
 
-            <WrappedRoute path='/start' exact component={Onboarding} content={children} />
+            <WrappedRoute path='/start' component={Onboarding} content={children} />
             <WrappedRoute path='/directory' component={Directory} content={children} />
             <WrappedRoute path={['/explore', '/search']} component={Explore} content={children} />
             <WrappedRoute path={['/publish', '/statuses/new']} component={Compose} content={children} />