MM_22682_Centralize_ID_Validation (#14237)

Co-authored-by: mattermod <mattermod@users.noreply.github.com>

model/team_member.go

@@ -167,11 +167,11 @@ func TeamsUnreadFromJson(data io.Reader) []*TeamUnread {
 
 func (o *TeamMember) IsValid() *AppError {
 
-	if len(o.TeamId) != 26 {
+	if !IsValidId(o.TeamId) {
 		return NewAppError("TeamMember.IsValid", "model.team_member.is_valid.team_id.app_error", nil, "", http.StatusBadRequest)
 	}
 
-	if len(o.UserId) != 26 {
+	if !IsValidId(o.UserId) {
 		return NewAppError("TeamMember.IsValid", "model.team_member.is_valid.user_id.app_error", nil, "", http.StatusBadRequest)
 	}