Hotfix: Fix addTeam in public

SchematicSystem_Core/src/de/steamwar/schematicsystem/commands/schematiccommand/parts/MemberPart.java

@@ -116,7 +116,7 @@ public class MemberPart extends SWCommand {
     public void addTeam(Player player, @Validator("isOwnerValidator") SchematicNode node) {
         SteamwarUser user = getUser(player);
         Team team = Team.get(user.getTeam());
-        if (team == null) {
+        if (team == null || team.getTeamId() == 0) {
             SchematicSystem.MESSAGE.send("COMMAND_ADD_TEAM_NOT_IN_TEAM", player);
             return;
         }
@@ -128,7 +128,7 @@ public class MemberPart extends SWCommand {
     public void remTeam(Player player, @Validator("isOwnerValidator") SchematicNode node) {
         SteamwarUser user = getUser(player);
         Team team = Team.get(user.getTeam());
-        if (team == null) {
+        if (team == null || team.getTeamId() == 0) {
             SchematicSystem.MESSAGE.send("COMMAND_DEL_TEAM_NOT_IN_TEAM", player);
             return;
         }