Merge pull request 'Fixes for SchematicSelector' (#156) from fixes into master

Reviewed-on: #156
Reviewed-by: YoyoNow <jwsteam@nidido.de>

SpigotCore_Main/src/de/steamwar/inventory/SchematicSelector.java

@@ -270,7 +270,9 @@ public class SchematicSelector {
                 SWAnvilInv swAnvilInv = new SWAnvilInv(player, Core.MESSAGE.parse("SCHEM_SELECTOR_FILTER_ENTER_OWNER", player));
                 swAnvilInv.setItem(Material.PLAYER_HEAD);
                 swAnvilInv.setCallback(s -> {
-                    filter.setOwner(SteamwarUser.get(s).getId());
+                    if(SteamwarUser.get(s) != null) {
+                        filter.setOwner(SteamwarUser.get(s).getId());
+                    }
                     openFilter();
                 });
                 swAnvilInv.open();
@@ -335,11 +337,13 @@ public class SchematicSelector {
 
         inv.setItem(7, SWItem.getDye(1), Core.MESSAGE.parse("SCHEM_SELECTOR_CANCEL", player), clickType -> {
             filter.reset();
+            depth = 0;
             openList(null);
         });
         inv.setItem(8, SWItem.getDye(10), Core.MESSAGE.parse("SCHEM_SELECTOR_GO", player), clickType -> {
             filter.setFilter(true);
             injectable.onFilterApply(this);
+            depth = 0;
             openList(null);
         });