Improve performance of resolve methods in PermissionHolder, other cleanup

bukkit/src/main/java/me/lucko/luckperms/bukkit/model/Injector.java

@@ -74,7 +74,7 @@ public class Injector {
             existing.clearPermissions();
 
             lpPermissible.getActive().set(true);
-            lpPermissible.recalculatePermissions();
+            lpPermissible.recalculatePermissions(false);
             lpPermissible.setOldPermissible(existing);
 
             lpPermissible.updateSubscriptionsAsync();

bukkit/src/main/java/me/lucko/luckperms/bukkit/model/LPPermissible.java

@@ -271,6 +271,10 @@ public class LPPermissible extends PermissibleBase {
 
     @Override
     public void recalculatePermissions() {
+        recalculatePermissions(true);
+    }
+
+    public void recalculatePermissions(boolean invalidate) {
         if (attachmentPermissions == null) {
             return;
         }
@@ -281,7 +285,7 @@ public class LPPermissible extends PermissibleBase {
             calculateChildPermissions(attachment.getPermissions(), false, attachment);
         }
 
-        if (hasData()) {
+        if (hasData() && invalidate) {
             user.getUserData().invalidatePermissionCalculators();
         }
     }