Add Breadcrumbs Cache

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

@@ -282,6 +282,7 @@ public class SchematicNode {
     private boolean schemFormat;
     private int rank;
     private final boolean isDir;
+    private Map<Integer, String> brCache = new HashMap<>();
 
     public static List<SchematicNode> filterSchems(int user, Predicate<SchematicNode> filter) {
         List<SchematicNode> finalList = new ArrayList<>();
@@ -401,7 +402,7 @@ public class SchematicNode {
     }
 
     public String generateBreadcrumbs(SteamwarUser user) {
-        return generateBreadcrumbs("/", user);
+        return brCache.computeIfAbsent(user.getId(), integer -> generateBreadcrumbs("/", user));
     }
 
     public String generateBreadcrumbs(String split, SteamwarUser user) {