fix(schematics): Some Fixes

Signed-off-by: Chaos <chaoscaot444@gmail.com>

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

@@ -157,6 +157,11 @@ public class SchematicSelector {
     }
 
     private SchematicNode dirUp(SchematicNode parent) {
+        if(parent == null) {
+            // Gracefully handle unexpected Updir in Root Folder
+            depth = 0;
+            return null;
+        }
         if(!singleDirOpen) {
             if(NodeMember.getNodeMember(parent.getId(), user.getId()) != null) {
                 return null;
@@ -239,7 +244,7 @@ public class SchematicSelector {
         SWItem item = new SWItem(m, name, Collections.singletonList(node.isDir() ? (Core.MESSAGE.parse("SCHEM_SELECTOR_DIR", player)) : Core.MESSAGE.parse("SCHEM_SELECTOR_ITEM_LORE_TYPE", player, node.getSchemtype().name())), !node.isDir() && !node.getSchemtype().writeable(), click -> {
         });
         if(!node.isDir() && node.getRank() > 0) {
-            item.setLore(Arrays.asList(Core.MESSAGE.parse("SCHEM_SELECTOR_ITEM_LORE_TYPE", player, node.getSchemtype().name()), Core.MESSAGE.parse("SCHEM_SELECTOR_RANK", player)));
+            item.setLore(Arrays.asList(Core.MESSAGE.parse("SCHEM_SELECTOR_ITEM_LORE_TYPE", player, node.getSchemtype().name()), Core.MESSAGE.parse("SCHEM_SELECTOR_RANK", player, node.getRank())));
         }
         return new SWListInv.SWListEntry<>(item, node);
     }

SpigotCore_Main/src/de/steamwar/sql/SchematicNode.java

@@ -287,8 +287,6 @@ public class SchematicNode {
 
     @Deprecated
     public String getType() {
-        if(isDir)
-            throw new SecurityException("Node is Directory");
         return type;
     }