Supermaven enhanced (#11521)

Fixes #11422 by accepting just the start of the line.

Release Notes:

- N/A

---------

Co-authored-by: max <max@zed.dev>
Co-authored-by: jacob <jacob@supermaven.com>

crates/editor/src/editor.rs

@@ -4356,6 +4356,7 @@ impl Editor {
                 text: completion.text.to_string().into(),
             });
             self.insert_with_autoindent_mode(&completion.text.to_string(), None, cx);
+            self.refresh_inline_completion(true, cx);
             cx.notify();
             true
         } else {

crates/editor/src/inline_completion_provider.rs

@@ -30,7 +30,7 @@ pub trait InlineCompletionProvider: 'static + Sized {
         buffer: &Model<Buffer>,
         cursor_position: language::Anchor,
         cx: &'a AppContext,
-    ) -> Option<&str>;
+    ) -> Option<&'a str>;
 }
 
 pub trait InlineCompletionProviderHandle {