Fix missing redirections to make sure /home redirect to the advanced UI (#27378)

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

@@ -184,7 +184,9 @@ class SwitchingColumnsArea extends PureComponent {
 
           {singleColumn ? <Redirect from='/deck' to='/home' exact /> : null}
           {singleColumn && pathName.startsWith('/deck/') ? <Redirect from={pathName} to={pathName.slice(5)} /> : null}
+          {/* Redirect old bookmarks (without /deck) with home-like routes to the advanced interface */}
           {!singleColumn && pathName === '/getting-started' ? <Redirect from='/getting-started' to='/deck/getting-started' exact /> : null}
+          {!singleColumn && pathName === '/home' ? <Redirect from='/home' to='/deck/getting-started' exact /> : null}
 
           <WrappedRoute path='/getting-started' component={GettingStarted} content={children} />
           <WrappedRoute path='/keyboard-shortcuts' component={KeyboardShortcuts} content={children} />

app/javascript/mastodon/initial_state.js

@@ -100,6 +100,7 @@ const initialPath = document.querySelector("head meta[name=initialPath]")?.getAt
 /** @type {boolean} */
 export const hasMultiColumnPath = initialPath === '/'
   || initialPath === '/getting-started'
+  || initialPath === '/home'
   || initialPath.startsWith('/deck');
 
 /**