Reuse conversation cache when streaming edits (#30245)

Release Notes:

- Improved latency when the agent applies edits.

crates/language_models/src/provider/lmstudio.rs

@@ -4,6 +4,7 @@ use gpui::{AnyView, App, AsyncApp, Context, Subscription, Task};
 use http_client::HttpClient;
 use language_model::{
     AuthenticateError, LanguageModelCompletionError, LanguageModelCompletionEvent,
+    LanguageModelToolChoice,
 };
 use language_model::{
     LanguageModel, LanguageModelId, LanguageModelName, LanguageModelProvider,
@@ -284,6 +285,10 @@ impl LanguageModel for LmStudioLanguageModel {
         false
     }
 
+    fn supports_tool_choice(&self, _choice: LanguageModelToolChoice) -> bool {
+        false
+    }
+
     fn telemetry_id(&self) -> String {
         format!("lmstudio/{}", self.model.id())
     }