feat: add auto group create from OIDC (#8884)

* add flag for auto create groups
* fixup! add flag for auto create groups
* sync missing groups
Also added a regex filter to filter out groups that are not
important

enterprise/coderd/groups.go

@@ -409,6 +409,7 @@ func convertGroup(g database.Group, users []database.User) codersdk.Group {
 		AvatarURL:      g.AvatarURL,
 		QuotaAllowance: int(g.QuotaAllowance),
 		Members:        convertUsers(users, orgs),
+		Source:         codersdk.GroupSource(g.Source),
 	}
 }