(client)feat:实现按武器释放技能

Client/Assets/Scripts/Data/BehaviorTreeDef.cs

@@ -20,11 +20,12 @@ namespace Data
             value = xmlDef.Attribute("value")?.Value;
 
             var nodes = xmlDef.Elements("Node");
-            if (!nodes.Any())
+            var xElements = nodes as XElement[] ?? nodes.ToArray();
+            if (!xElements.Any())
                 return true; // 没有子节点也是有效的
             
             List<BehaviorTreeDef> children = new();
-            foreach (var node in nodes)
+            foreach (var node in xElements)
             {
                 var childNode = new BehaviorTreeDef();
                 if (!childNode.Init(node))