Change /npc mount permission, force chunk load on spawning due to chunk load

main/src/main/java/net/citizensnpcs/EventListen.java

@@ -634,7 +634,7 @@ public class EventListen implements Listener {
             }
             return false;
         }
-        return npc.spawn(spawn);
+        return npc.spawn(spawn, SpawnReason.CHUNK_LOAD);
     }
 
     private void storeForRespawn(NPC npc) {

main/src/main/java/net/citizensnpcs/commands/NPCCommands.java

@@ -954,7 +954,7 @@ public class NPCCommands {
             min = 1,
             max = 1,
             flags = "c",
-            permission = "citizens.npc.controllable")
+            permission = "citizens.npc.mount")
     public void mount(CommandContext args, CommandSender sender, NPC npc) throws CommandException {
         if (args.hasValueFlag("onnpc")) {
             NPC mount;

main/src/main/java/net/citizensnpcs/npc/CitizensNPC.java

@@ -226,6 +226,10 @@ public class CitizensNPC extends AbstractNPC {
 
         at = at.clone();
 
+        if (reason == SpawnReason.CHUNK_LOAD) {
+            at.getChunk().load();
+        }
+
         getTrait(CurrentLocation.class).setLocation(at);
         entityController.spawn(at, this);