Change zed.dev's default model to Claude 3.7 Sonnet (#28541)

From Claude 3.5 Sonnet to **Claude 3.7 Sonnet**.

Release Notes:

- Change the default model of Zed's hosted LLM service to Claude 3.7
Sonnet.

crates/anthropic/src/anthropic.rs

@@ -37,9 +37,9 @@ pub enum AnthropicModelMode {
 #[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
 #[derive(Clone, Debug, Default, Serialize, Deserialize, PartialEq, EnumIter)]
 pub enum Model {
-    #[default]
     #[serde(rename = "claude-3-5-sonnet", alias = "claude-3-5-sonnet-latest")]
     Claude3_5Sonnet,
+    #[default]
     #[serde(rename = "claude-3-7-sonnet", alias = "claude-3-7-sonnet-latest")]
     Claude3_7Sonnet,
     #[serde(

crates/assistant_settings/src/assistant_settings.rs

@@ -742,7 +742,7 @@ mod tests {
                 AssistantSettings::get_global(cx).default_model,
                 LanguageModelSelection {
                     provider: "zed.dev".into(),
-                    model: "claude-3-5-sonnet-latest".into(),
+                    model: "claude-3-7-sonnet-latest".into(),
                 }
             );
         });

crates/collab/src/api/billing.rs

@@ -274,7 +274,7 @@ async fn create_billing_subscription(
         customer.id
     };
 
-    let default_model = llm_db.model(rpc::LanguageModelProvider::Anthropic, "claude-3-5-sonnet")?;
+    let default_model = llm_db.model(rpc::LanguageModelProvider::Anthropic, "claude-3-7-sonnet")?;
     let stripe_model = stripe_billing.register_model(default_model).await?;
     let success_url = format!(
         "{}/account?checkout_complete=1",