fix(ui): 重构 AddTransactionDialog 嵌套层级，解决 DialogTrigger 上下文丢失报错

src/components/transactions/add-transaction-dialog.tsx

@@ -146,7 +146,7 @@ export function AddTransactionDialog({ assets, open: openProp, onOpenChange, def
   }
 
   return (
-    <>
+    <Dialog open={open} onOpenChange={setOpen}>
       {!openProp && (
         <DialogTrigger asChild>
           <Button>
@@ -155,7 +155,6 @@ export function AddTransactionDialog({ assets, open: openProp, onOpenChange, def
           </Button>
         </DialogTrigger>
       )}
-      <Dialog open={open} onOpenChange={setOpen}>
       <DialogContent className="sm:max-w-[500px]">
         <DialogHeader>
           <DialogTitle>添加交易流水</DialogTitle>
@@ -343,6 +342,5 @@ export function AddTransactionDialog({ assets, open: openProp, onOpenChange, def
         </Form>
       </DialogContent>
     </Dialog>
-    </>
   );
 }