feat: render app shell with ssr to improve loading experience (#448)

components/user/UserSignInEntry.vue

@@ -1,6 +1,6 @@
 <template>
   <div p8 flex="~ col gap4">
-    <p text-sm>
+    <p v-if="isMastoInitialised" text-sm>
       Viewing <strong>{{ currentServer }}</strong> public data
     </p>
     <p text-sm text-secondary>

components/user/UserSwitcher.vue

@@ -44,7 +44,7 @@ const switchUser = (user: UserLogin) => {
         @click="openSigninDialog"
       />
       <CommonDropdownItem
-        v-if="currentUser"
+        v-if="isMastoInitialised && currentUser"
         :text="$t('user.sign_out_account', [getFullHandle(currentUser.account)])"
         icon="i-ri:logout-box-line"
         @click="signout"