【内嵌支付】修复“进入订单页面时，产品数量不应该默认就显示选中的状态”

PDF Office/PDF Master/Class/Purchase/DMG/KMPurchaseEmbeddedWindowController.swift

@@ -220,6 +220,8 @@ class KMPurchaseEmbeddedWindowController: NSWindowController {
 
         // Implement this method to handle any initialization after your window controller's window has been loaded from its nib file.
         
+        window?.makeFirstResponder(nil)
+        
         productType = self.productToType(productID)
         originalProductID = productID