style(next)/restyle CKEditor: improve the appearance of popups

Author: adoriandoran

src/public/stylesheets/theme-next/notes/text.css

@@ -39,11 +39,12 @@
     --ck-color-panel-border: var(--ck-editor-popup-border-color);
 
     box-shadow: 0px 10px 20px rgba(0, 0, 0, var(--dropdown-shadow-opacity));
+    outline: transparent !important;
     border: 1px solid var(--ck-editor-popup-border-color) !important;
     border-radius: var(--dropdown-border-radius) !important;
     background: var(--menu-background-color) !important;
     backdrop-filter: var(--dropdown-backdrop-filter);
-    padding: 4px;    
+    padding: 4px;
 }
 
 :root ul.ck.ck-list,