Fix popup visibility issue in CKEditor

service.js

@@ -902,6 +902,7 @@ class BesPopupEl extends HTMLElement {
         }
         :host(.show){
           z-index: 10;
+          display: block;
         }
         .popup-text {
           max-width: 160px;
@@ -977,7 +978,6 @@ class BesPopupEl extends HTMLElement {
     this.style.position = 'fixed'
     this.style.left = `${x}px`
     this.style.top = `${y}px`
-    this.style.display = 'block'
 
     const viewportWidth = window.innerWidth
     const viewportHeight = window.innerHeight