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

browser_tests/fixtures/UserSelectPage.ts

@@ -0,0 +1,41 @@
+import { Page } from 'playwright'
+import { test as base } from '@playwright/test'
+
+export class UserSelectPage {
+  constructor(
+    public readonly url: string,
+    public readonly page: Page
+  ) {}
+
+  get selectionUrl() {
+    return this.url + '/user-select'
+  }
+
+  get container() {
+    return this.page.locator('#comfy-user-selection')
+  }
+
+  get newUserInput() {
+    return this.container.locator('#new-user-input')
+  }
+
+  get existingUserSelect() {
+    return this.container.locator('#existing-user-select')
+  }
+
+  get nextButton() {
+    return this.container.getByText('Next')
+  }
+}
+
+export const userSelectPageFixture = base.extend<{
+  userSelectPage: UserSelectPage
+}>({
+  userSelectPage: async ({ page }, use) => {
+    const userSelectPage = new UserSelectPage(
+      process.env.PLAYWRIGHT_TEST_URL || 'http://localhost:8188',
+      page
+    )
+    await use(userSelectPage)
+  }
+})