title_bar: Remove dependency on feedback (#21013)

This PR removes the `title_bar` crate's dependency on the `feedback`
crate.

The `feedback::GiveFeedback` action now resides at
`zed_actions::feedback::GiveFeedback`.

`title_bar` now no longer depends on `editor` 🥳 

Release Notes:

- N/A

crates/feedback/src/feedback_modal.rs

@@ -18,8 +18,9 @@ use serde_derive::Serialize;
 use ui::{prelude::*, Button, ButtonStyle, IconPosition, Tooltip};
 use util::ResultExt;
 use workspace::{DismissDecision, ModalView, Workspace};
+use zed_actions::feedback::GiveFeedback;
 
-use crate::{system_specs::SystemSpecs, GiveFeedback, OpenZedRepo};
+use crate::{system_specs::SystemSpecs, OpenZedRepo};
 
 // For UI testing purposes
 const SEND_SUCCESS_IN_DEV_MODE: bool = true;