ai_onboarding: Read the plan from the CloudUserStore (#35451)

This PR updates the AI onboarding to read the plan from the
`CloudUserStore` so that we don't need to connect to Collab.

Release Notes:

- N/A

Cargo.lock

@@ -355,6 +355,7 @@ name = "ai_onboarding"
 version = "0.1.0"
 dependencies = [
  "client",
+ "cloud_llm_client",
  "component",
  "gpui",
  "language_model",

crates/agent_ui/src/agent_panel.rs

@@ -697,6 +697,7 @@ impl AgentPanel {
         let onboarding = cx.new(|cx| {
             AgentPanelOnboarding::new(
                 user_store.clone(),
+                cloud_user_store.clone(),
                 client,
                 |_window, cx| {
                     OnboardingUpsell::set_dismissed(true, cx);

crates/ai_onboarding/Cargo.toml

@@ -16,6 +16,7 @@ default = []
 
 [dependencies]
 client.workspace = true
+cloud_llm_client.workspace = true
 component.workspace = true
 gpui.workspace = true
 language_model.workspace = true

crates/ai_onboarding/src/agent_panel_onboarding_content.rs

@@ -1,6 +1,7 @@
 use std::sync::Arc;
 
-use client::{Client, UserStore};
+use client::{Client, CloudUserStore, UserStore};
+use cloud_llm_client::Plan;
 use gpui::{Entity, IntoElement, ParentElement};
 use language_model::{LanguageModelRegistry, ZED_CLOUD_PROVIDER_ID};
 use ui::prelude::*;
@@ -9,6 +10,7 @@ use crate::{AgentPanelOnboardingCard, ApiKeysWithoutProviders, ZedAiOnboarding};
 
 pub struct AgentPanelOnboarding {
     user_store: Entity<UserStore>,
+    cloud_user_store: Entity<CloudUserStore>,
     client: Arc<Client>,
     configured_providers: Vec<(IconName, SharedString)>,
     continue_with_zed_ai: Arc<dyn Fn(&mut Window, &mut App)>,
@@ -17,6 +19,7 @@ pub struct AgentPanelOnboarding {
 impl AgentPanelOnboarding {
     pub fn new(
         user_store: Entity<UserStore>,
+        cloud_user_store: Entity<CloudUserStore>,
         client: Arc<Client>,
         continue_with_zed_ai: impl Fn(&mut Window, &mut App) + 'static,
         cx: &mut Context<Self>,
@@ -36,6 +39,7 @@ impl AgentPanelOnboarding {
 
         Self {
             user_store,
+            cloud_user_store,
             client,
             configured_providers: Self::compute_available_providers(cx),
             continue_with_zed_ai: Arc::new(continue_with_zed_ai),
@@ -56,15 +60,8 @@ impl AgentPanelOnboarding {
 
 impl Render for AgentPanelOnboarding {
     fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
-        let enrolled_in_trial = matches!(
+        let enrolled_in_trial = self.cloud_user_store.read(cx).plan() == Some(Plan::ZedProTrial);
-            self.user_store.read(cx).current_plan(),
+        let is_pro_user = self.cloud_user_store.read(cx).plan() == Some(Plan::ZedPro);
-            Some(proto::Plan::ZedProTrial)
-        );
-
-        let is_pro_user = matches!(
-            self.user_store.read(cx).current_plan(),
-            Some(proto::Plan::ZedPro)
-        );
 
         AgentPanelOnboardingCard::new()
             .child(