Fix FreezeListener for 1.19

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

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

@@ -6,6 +6,7 @@ import de.steamwar.bausystem.linkage.Linked;
 import de.steamwar.bausystem.region.Region;
 import de.steamwar.bausystem.region.flags.Flag;
 import de.steamwar.bausystem.region.flags.flagvalues.FreezeMode;
+import de.steamwar.core.Core;
 import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.entity.EntityType;
@@ -98,4 +99,13 @@ public class FreezeListener implements Listener {
             e.setCancelled(true);
         }
     }
+
+    @EventHandler
+    public void onBlockBreak(BlockBreakEvent event) {
+        if (Core.getVersion() < 19) return;
+        if (Region.getRegion(event.getBlock().getLocation()).get(Flag.FREEZE) == FreezeMode.ACTIVE) {
+            event.setCancelled(true);
+            event.getBlock().setType(Material.AIR, false);
+        }
+    }
 }