fix(transfer): checkbox click evt run repeatedly (#6902)

Author: kovsu

Diff for: components/transfer/style/index.tsx

@@ -272,6 +272,10 @@ const genTransferListStyle: GenerateStyle<TransferToken> = (token: TransferToken
     '&-footer': {
       borderTop: `${lineWidth}px ${lineType} ${colorSplit}`,
     },
+
+    '&-checkbox': {
+      lineHeight: 1,
+    },
   };
 };