Update codeit-autocomplete.js

Author: benhatsor

lib/plugins/codeit-autocomplete.js

@@ -593,6 +593,10 @@ acp.utils.shouldAutocomplete = () => {
   if (input !== document.activeElement) return false;
 
   const cursor = input.dropper.cursor();
+  
+  // if cursor dosen't exist, return
+  if (!cursor) return false;
+  
   const cursorCollapsed = cursor.collapsed;
 
   // if cursor not collapsed, return