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/components/sidebar/SidebarLogoutIcon.vue

@@ -0,0 +1,21 @@
+<template>
+  <SidebarIcon icon="pi pi-sign-out" :tooltip="tooltip" @click="logout" />
+</template>
+
+<script setup lang="ts">
+import SidebarIcon from './SidebarIcon.vue'
+import { useUserStore } from '@/stores/userStore'
+import { computed } from 'vue'
+import { useI18n } from 'vue-i18n'
+
+const { t } = useI18n()
+const userStore = useUserStore()
+
+const tooltip = computed(
+  () => `${t('sideToolbar.logout')} (${userStore.currentUser?.username})`
+)
+const logout = () => {
+  userStore.logout()
+  window.location.reload()
+}
+</script>