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/repl/Cargo.toml

@@ -35,6 +35,7 @@ theme.workspace = true
 terminal_view.workspace = true
 ui.workspace = true
 uuid.workspace = true
+util.workspace = true
 workspace.workspace = true
 
 [dev-dependencies]