Finely scope repl events for runs and output clearing (#13872)

Sets up the `cmd-enter` keybinding for the jupyter repl to only apply
when enabled.

Release Notes:

- N/A

---------

Co-authored-by: Kirill <kirill@zed.dev>

crates/editor/src/editor.rs

@@ -1927,6 +1927,11 @@ impl Editor {
             EditorMode::AutoHeight { .. } => "auto_height",
             EditorMode::Full => "full",
         };
+
+        if EditorSettings::get_global(cx).jupyter.enabled {
+            key_context.add("jupyter");
+        }
+
         key_context.set("mode", mode);
         if self.pending_rename.is_some() {
             key_context.add("renaming");