debugger: Add onboarding modal (#32961)

- **debugger: Add debugger onboarding modal (wip)**
- **woops**

Release Notes:

- debugger: Added the onboarding modal.

---------

Co-authored-by: Danilo Leal <daniloleal09@gmail.com>
Co-authored-by: Julia Ryan <p1n3appl3@users.noreply.github.com>

crates/title_bar/src/title_bar.rs

@@ -336,11 +336,11 @@ impl TitleBar {
 
         let banner = cx.new(|cx| {
             OnboardingBanner::new(
-                "Agentic Onboarding",
-                IconName::ZedAssistant,
-                "Agentic Editing",
+                "Debugger Onboarding",
+                IconName::Debug,
+                "The Debugger",
                 None,
-                zed_actions::agent::OpenOnboardingModal.boxed_clone(),
+                zed_actions::debugger::OpenOnboardingModal.boxed_clone(),
                 cx,
             )
         });