post create none action

src/main/java/com/gregor/jprototerm/AppConfig.java

@@ -105,7 +105,7 @@ public record AppConfig(
                 defaultScrollbackEditorCommand(),
                 "./.worktrees",
                 ",",
-                "",
+                "none",
                 "SIGTERM",
                 Map.of(),
                 Map.ofEntries(

src/main/java/com/gregor/jprototerm/TerminalWindow.java

@@ -375,6 +375,7 @@ final class TerminalWindow {
         }
 
         switch (action.trim().toLowerCase(Locale.ROOT)) {
+            case "none" -> { }
             case "cd" -> lastActivePane.send("cd " + shellQuote(worktreePaths.get(worktreePaths.size() - 1)) + "\r");
             case "create_panes" -> worktreePaths.forEach(compositor::createTiledPane);
             case "create_panes_floating" -> worktreePaths.forEach(compositor::createFloatingPaneInDirectory);