no issue
- `isNew` does not work in Ghost, because Ghost does not use auto increment id's
- see https://github.com/bookshelf/bookshelf/issues/1265
- see https://github.com/bookshelf/bookshelf/blob/0.10.3/src/base/model.js#L211
- we only had one occurance, which was anyway redundant
- if you add a user, `hasChanged('password') is true
- if you edit a user and the password has changed, `hasChanged('password')` is true as well
NOTE #1:
1. We can't override `isNew` and throw an error, because bookshelf makes use of `isNew` as well, but it's a fallback if `options.method` is not set.
2. It's hard to re-implement `isNew` based on `options.method`, because then we need to ensure that this value is always set (requires a couple of changes)
NOTE #2:
If we need to differentiate if a model is new or edited, we should manually check for `options.method === insert`.
NOTE #3:
The unit tests are much faster compared to the model integration tests.
I did a comparision with the same test assertion:
- unit test takes 70ms
- integration test takes 190ms
closes#9314
* added fixtures for contributor role
* update post api tests to prevent contributor publishing post
* update permissible function in role/user model
* fix additional author code in invites
* update contributor role migration for knex-migrator v3
* fix paths in contrib migration
* ensure contributors can't edit or delete published posts, fix routing tests [ci skip]
* update db fixtures hash
* strip tags from post if contributor
* cleanup post permissible function
* excludedAttrs to ignore tag updates for now (might be removed later)
* ensure contributors can't edit another's post
* migration script for 1.21
