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/zed/src/zed/app_menus.rs

@@ -179,7 +179,7 @@ pub fn app_menus() -> Vec<Menu> {
                 MenuItem::action("View Telemetry", zed_actions::OpenTelemetryLog),
                 MenuItem::action("View Dependency Licenses", zed_actions::OpenLicenses),
                 MenuItem::action("Show Welcome", workspace::Welcome),
-                MenuItem::action("Give Feedback...", feedback::GiveFeedback),
+                MenuItem::action("Give Feedback...", zed_actions::feedback::GiveFeedback),
                 MenuItem::separator(),
                 MenuItem::action(
                     "Documentation",