fix: skip duplicate tracker print on Windows when transient=False

When transient is False, Rich leaves the Live output on screen. The
subsequent console.print(tracker.render()) would duplicate it. Gate
it behind _transient so Windows users see the tracker exactly once.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: mnriem

src/specify_cli/commands/init.py

@@ -511,7 +511,8 @@ def init(
             finally:
                 pass
 
-        console.print(tracker.render())
+        if _transient:
+            console.print(tracker.render())
         console.print("\n[bold green]Project ready.[/bold green]")
 
         agent_config = AGENT_CONFIG.get(selected_ai)