Don't overwrite dispatch

src/main.py

@@ -22,6 +22,10 @@ def cli() -> None:
 def dispatch():
     """Randomly distribute unassigned tasks among team members."""
 
+    if DispatchStorage.load():
+        print("[red]Tickets were already dispatched.[/red]")
+        return
+
     client = odoo_client.OdooClient()
     today = datetime.now().strftime("%Y-%m-%d")
     domain = [