MM-44101: GraphQL: Add sidebar categories at the top level (#20178)

Also, add a negate parameter to the team members to get
all sidebarcategories except the default team.

```release-note
NONE
```

store/sqlstore/session_store.go

@@ -59,7 +59,7 @@ func (me SqlSessionStore) Save(session *model.Session) (*model.Session, error) {
 		return nil, errors.Wrapf(err, "failed to save Session with id=%s", session.Id)
 	}
 
-	teamMembers, err := me.Team().GetTeamsForUser(context.Background(), session.UserId, true)
+	teamMembers, err := me.Team().GetTeamsForUser(context.Background(), session.UserId, "", true)
 	if err != nil {
 		return nil, errors.Wrapf(err, "failed to find TeamMembers for Session with userId=%s", session.UserId)
 	}
@@ -87,7 +87,7 @@ func (me SqlSessionStore) Get(ctx context.Context, sessionIdOrToken string) (*mo
 
 	tempMembers, err := me.Team().GetTeamsForUser(
 		WithMaster(context.Background()),
-		session.UserId, true)
+		session.UserId, "", true)
 	if err != nil {
 		return nil, errors.Wrapf(err, "failed to find TeamMembers for Session with userId=%s", session.UserId)
 	}
@@ -107,7 +107,7 @@ func (me SqlSessionStore) GetSessions(userId string) ([]*model.Session, error) {
 		return nil, errors.Wrapf(err, "failed to find Sessions with userId=%s", userId)
 	}
 
-	teamMembers, err := me.Team().GetTeamsForUser(context.Background(), userId, true)
+	teamMembers, err := me.Team().GetTeamsForUser(context.Background(), userId, "", true)
 	if err != nil {
 		return nil, errors.Wrapf(err, "failed to find TeamMembers for Session with userId=%s", userId)
 	}

store/sqlstore/team_store.go

@@ -1080,11 +1080,15 @@ func (s SqlTeamStore) GetMembersByIds(teamId string, userIds []string, restricti
 	return dbMembers.ToModel(), nil
 }
 
-// GetTeamsForUser returns a list of teams that the user is a member of. Expects userId to be passed as a parameter.
-func (s SqlTeamStore) GetTeamsForUser(ctx context.Context, userId string, includeDeleted bool) ([]*model.TeamMember, error) {
+// GetTeamsForUser returns a list of teams that the user is a member of. Expects userId to be passed as a parameter. It can also negative the teamID passed.
+func (s SqlTeamStore) GetTeamsForUser(ctx context.Context, userId, excludeTeamID string, includeDeleted bool) ([]*model.TeamMember, error) {
 	query := s.getTeamMembersWithSchemeSelectQuery().
 		Where(sq.Eq{"TeamMembers.UserId": userId})
 
+	if excludeTeamID != "" {
+		query = query.Where(sq.NotEq{"TeamMembers.TeamId": excludeTeamID})
+	}
+
 	if !includeDeleted {
 		query = query.Where(sq.Eq{"TeamMembers.DeleteAt": 0})
 	}