fix(app): 在确认手势内同步调起订阅，预约页首次进入定位到当前时段

微信要求授权框落在 tap 同步栈，先 await 会丢失弹层；订阅失败不再打断预约或支付。

Co-authored-by: Cursor <cursoragent@cursor.com>

packages/app/src/components/BookingConfirmPopup.vue

@@ -159,9 +159,7 @@ async function handleConfirm() {
   try {
     await requestBookingCreatedSubscriptionMessage()
   } catch (err: unknown) {
-    const message = err instanceof Error ? err.message : '订阅消息授权失败'
-    uni.showToast({ title: message, icon: 'none' })
-    return
+    console.warn('[subscribe] booking confirm failed', err)
   } finally {
     requestingSubscribe.value = false
   }