Chore(booking-job): Optimise maintenance animation sleep

backend/internal/ktmtrainbot/backgroundbookingjob.go

@@ -406,13 +406,15 @@ func selectBookingSlot(ctx context.Context, page *rod.Page, timeCode string) *ro
 		selectButtonElement := rowElement.MustElement("a")
 		selectButtonElement.Eval(`this.click()`)
 
-		time.Sleep(1000 * time.Millisecond)
 		page.MustWaitLoad()
 
 		// Check before exiting
 		bodyText := page.MustElement("body").MustText()
 		if strings.Contains(bodyText, "System maintenance scheduled at 23:00 to 00:15 (UTC+8).") {
 			completed = false
+
+			// TODO: Test if it is okay to sleep after checking for maintenance
+			time.Sleep(1000 * time.Millisecond)
 			closeModalButton := page.MustElement("#popupModalCloseButton")
 			closeModalButton.Eval(`this.click()`)
 			time.Sleep(1000 * time.Millisecond)