Introduce team management UI

[msamper]

Features and Changes

Introduce a team management UI within the Team tab. Allows users to create teams within the GrowthBook UI as well as via SCIM (currently only works with Okta.) Any teams created via SCIM will need to have membership and name changes done through Okta rather than the GrowthBook UI.

Dependencies

#1762

Testing

Attempt to do CRUD operations for teams

1. Create a team
2. Add members to the team
3. Modify team metadata
4. Modify team permissions
5. Try to delete a team with members (should error)
6. Delete team members
7. Try to delete a team with no members

Test features being blocked for manageByIdp teams (Name changes, membership changes)

1. Edit a previously created team in the teams collection and set managedByIdp to true
2. Ensure that you're unable to edit team name and team membership
3. Ensure that you see a banner explaining what is restricted

Screenshots

Teams tab

Create Team Modal

GrowthBook Managed Team

Okta Managed Team

Add Team Members Modal

Teams page with upgrade message

[github-actions]

Your preview environment pr-1657-bttf has been deployed with errors.

[msamper]

@mknowlton89 pointed out a bug with adding members to a team where all the requested members don't always get added. Have been able to replicate but bug is flaky so still trying to track down what may be causing it to happen sporadically.

[jdorn]

This will always be an empty array. data is not defined on initial load and I believe useForm ignores changes to defaultValues.

I think we can get rid of the useApi call completely here, right? From what I can tell, this modal is about adding new users, so we don't really care who the existing users are and should always set this to an empty string.

[msamper]

We'll need to check the existing members of the team to determine what the addableMembers are so we can populate the options for the MultiSelectField but an alternative could be to pass that in from the team page as a prop instead of doing another API call here. Agree that we don't need to default members to anything other than an empty array though.