fix: 修复模版预览时能进行指令下发

@@ -4351,9 +4351,11 @@ App.prototype.loadFile = function (id, sameWindow, file, success, force) {
       if (success != null)
         success()
       // TODO Thingskkit socket连接
-      const lightboxWebsocketService = useLightboxModeService(this)
-      this.lightboxWebsocketService = lightboxWebsocketService
-      this.lightboxWebsocketService?.init?.()
+      if (result?.templateId) {
+        const lightboxWebsocketService = useLightboxModeService(this)
+        this.lightboxWebsocketService = lightboxWebsocketService
+        this.lightboxWebsocketService?.init?.()
+      }
     }
 
     handleLoadContent()
@@ -5137,7 +5139,7 @@ App.prototype.addPreviewButton = function () {
     this.previewButton.style.border = '1px solid transparent'
     this.previewButton.style.color = '#fff'
 
-    const icon = document.createElement('img') 
+    const icon = document.createElement('img')
     icon.setAttribute('src', this.previewImage)
     icon.setAttribute('align', 'absmiddle')
     icon.style.marginRight = '4px'

@@ -78,6 +78,7 @@ export class EventHandler {
       }
 
       const { handlerMouseDown, handlerMouseClick, handlerMouseDoubleClick, handlerMouseUp } = useNodeEvent(node.eventJson, node.dataSourceJson, cell)
+
       switch (eventName) {
         case EventTypeEnum.DOWN:
           handlerMouseDown()