feat(tui): make progression of branches clearer

Using the branch names configured for the repo, indicate that the
branches move towards dev.

crates/cli/src/tui/components/repo/identity.rs

@@ -60,9 +60,9 @@ impl<'a> Identity<'a> {
             repo_alias,
             " ".into(),
             alert,
-            format!("({main}/{next}/{dev}) [").into(),
+            format!("({main} -> {next} -> {dev}) ").into(),
             message.into(),
-            "] ".into(),
+            " ".into(),
         ]
     }
 }