not allow to add transaction before balance modification transaction and not allow to modify transaction time for balance modification transaction

src/locales/en.json

@@ -1079,6 +1079,8 @@
         "import file type is empty": "Import file type is empty",
         "import file type not supported": "Import file type is not supported",
         "no data to import": "No data to import",
+        "cannot add transaction before balance modification transaction": "You cannot add transaction before the balance modification transaction",
+        "balance modification transaction cannot modify transaction time": "You cannot modify transaction time for balance modification transaction",
         "transaction category id is invalid": "Transaction category ID is invalid",
         "transaction category not found": "Transaction category is not found",
         "transaction category type is invalid": "Transaction category type is invalid",

src/locales/zh_Hans.json

@@ -1079,6 +1079,8 @@
         "import file type is empty": "导入文件类型为空",
         "import file type not supported": "导入文件类型不支持",
         "no data to import": "没有可以导入的数据",
+        "cannot add transaction before balance modification transaction": "不能添加早于修改余额的交易",
+        "balance modification transaction cannot modify transaction time": "您无法对修改余额的交易修改交易时间",
         "transaction category id is invalid": "交易分类ID无效",
         "transaction category not found": "交易分类不存在",
         "transaction category type is invalid": "交易分类类型无效",