onboarding: Link git clone button with action (#35999)

Release Notes:

- N/A

crates/git_ui/src/git_panel.rs

@@ -2105,7 +2105,7 @@ impl GitPanel {
                 Ok(_) => cx.update(|window, cx| {
                     window.prompt(
                         PromptLevel::Info,
-                        "Git Clone",
+                        &format!("Git Clone: {}", repo_name),
                         None,
                         &["Add repo to project", "Open repo in new project"],
                         cx,

crates/git_ui/src/git_ui.rs

@@ -181,10 +181,6 @@ pub fn init(cx: &mut App) {
             workspace.toggle_modal(window, cx, |window, cx| {
                 GitCloneModal::show(panel, window, cx)
             });
-
-            // panel.update(cx, |panel, cx| {
-            //     panel.git_clone(window, cx);
-            // });
         });
         workspace.register_action(|workspace, _: &git::OpenModifiedFiles, window, cx| {
             open_modified_files(workspace, window, cx);