Rework user selection (#1728)

* Move to new route

* Convert to tailwind

* Basic style

* Add userStore

* nit

* nit

* nit

* Remove app.#setUser

* Route to user-select view

* Mock login

* Use primevue UI components

* handle create new user

* Remove legacy user selection

* Add logout button on side toolbar

* Add username to logout button tooltip

* Add playwright tests

* hide logout button in single user server

* nit

src/scripts/api.ts

@@ -42,6 +42,9 @@ export class ComfyApi extends EventTarget {
    * The current client id from websocket status updates.
    */
   clientId?: string
+  /**
+   * The current user id.
+   */
   user: string
   socket: WebSocket | null = null
 
@@ -49,7 +52,6 @@ export class ComfyApi extends EventTarget {
 
   constructor() {
     super()
-    // api.user is set by ComfyApp.setup()
     this.user = ''
     this.api_host = location.host
     this.api_base = location.pathname.split('/').slice(0, -1).join('/')