support matrix.to links (#1849)

* support room via server params and eventId

* change copy link to matrix.to links

* display matrix.to links in messages as pill and stop generating url previews for them

* improve editor mention to include viaServers and eventId

* fix mention custom attributes

* always try to open room in current space

* jump to latest remove target eventId from url

* add create direct search options to open/create dm with url

src/app/pages/Router.tsx

@@ -41,7 +41,7 @@ import {
 } from './pathUtils';
 import { ClientBindAtoms, ClientLayout, ClientRoot } from './client';
 import { Home, HomeRouteRoomProvider, HomeSearch } from './client/home';
-import { Direct, DirectRouteRoomProvider } from './client/direct';
+import { Direct, DirectCreate, DirectRouteRoomProvider } from './client/direct';
 import { RouteSpaceProvider, Space, SpaceRouteRoomProvider, SpaceSearch } from './client/space';
 import { Explore, FeaturedRooms, PublicRooms } from './client/explore';
 import { Notifications, Inbox, Invites } from './client/inbox';
@@ -160,7 +160,7 @@ export const createRouter = (clientConfig: ClientConfig, screenSize: ScreenSize)
           }
         >
           {mobile ? null : <Route index element={<WelcomePage />} />}
-          <Route path={_CREATE_PATH} element={<p>create</p>} />
+          <Route path={_CREATE_PATH} element={<DirectCreate />} />
           <Route
             path={_ROOM_PATH}
             element={