Fix TestblockCommand with public schem

Signed-off-by: yoyosource <yoyosource@nidido.de>

BauSystem_Main/src/de/steamwar/bausystem/features/region/TestblockCommand.java

@@ -91,8 +91,11 @@ public class TestblockCommand extends SWCommand {
         if (region == null) return;
         Schematic schem = Schematic.getSchemFromDB(s, p.getUniqueId());
         if (schem == null) {
-            BauSystem.MESSAGE.send("REGION_TB_NO_SCHEM", p);
+            schem = Schematic.getSchemFromDB(s, 0);
-            return;
+            if (schem == null) {
+                BauSystem.MESSAGE.send("REGION_TB_NO_SCHEM", p);
+                return;
+            }
         }
         try {
             region.reset(schem, RegionType.TESTBLOCK, regionExtensionType);