v2.7.6: fix TypeError: Cannot read property '_id' of null

https://github.com/steedos/steedos-project-hbport/issues/775

v2.6.28

fix TypeError: Cannot read property '_id' of null

v2.7.5

Update default.steedos.config.js

v2.7.5-beta.5

Merge branch '2.7' of https://github.com/steedos/steedos-platform int…

…o 2.7

v2.7.5-beta.4

Merge branch '2.7' of https://github.com/steedos/steedos-platform int…

…o 2.7

v2.7.5-beta.3

npm i 无法锁定版本,使用yarn安装

v2.7.5-beta.2

锁定版本"undici": "5.16.0"

v2.7.5-beta.1

锁定版本"undici": "5.16.0"

v2.7.4

process.env.STEEDOS_WIDGETS_VERSION = '6.3.5';

v2.6.27

fix bug: #6946