add cannot modify transaction type error

verify old transaction source account and destination account if changed

src/locales/en.js

@@ -320,6 +320,7 @@ export default {
         'cannot add transaction to hidden account': 'You cannot add transaction to an hidden account',
         'cannot modify transaction of hidden account': 'You cannot modify transaction of an hidden account',
         'cannot delete transaction in hidden account': 'You cannot delete transaction in an hidden account',
+        'cannot modify transaction type': 'You cannot modify transaction type',
         '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.js

@@ -320,6 +320,7 @@ export default {
         'cannot add transaction to hidden account': '您不能在隐藏账户中添加交易',
         'cannot modify transaction of hidden account': '您不能修改隐藏账户中的交易',
         'cannot delete transaction in hidden account': '您不能删除隐藏账户中的交易',
+        'cannot modify transaction type': '您不能修改交易类型',
         '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',