fix: info msg hide (#793)

Author: prince-deriv

src/javascript/app/pages/trade/purchase/contract-details.jsx

@@ -15,6 +15,7 @@ const resetPopupData = (isAuditReset = false) => {
         cd_showAudit: false,
         auditDataEnd: [],
         cd_infoMsg  : null,
+        cd_sellMsg  : null,
     };
 
     const contract_reset_object = {