fixes the Advanced Code Solution to make it work when run tests in the Convert HTML Entities exercise (#24930)

* fix in the Advanced Code Solution to make it work when run tests

* making htmlEntities a const to fix the example

guide/arabic/certifications/javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/convert-html-entities/index.md

@@ -110,7 +110,7 @@ localeTitle: تحويل كيانات HTML
 
  `    function convertHTML(str) { 
       // Use Object Lookup to declare as many HTML entities as needed. 
-      htmlEntities={ 
+      const htmlEntities={ 
         '&':'&', 
         '<':'&lt;', 
         '>':'&gt;', 

guide/chinese/certifications/javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/convert-html-entities/index.md

@@ -112,7 +112,7 @@ function convertHTML(str) {
 ```javascript
     function convertHTML(str) { 
       // Use Object Lookup to declare as many HTML entities as needed. 
-      htmlEntities={ 
+      const htmlEntities={ 
         '&':'&', 
         '<':'&lt;', 
         '>':'&gt;', 

guide/english/certifications/javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/convert-html-entities/index.md

@@ -107,7 +107,7 @@ Explain solution here and add any relevant links
 ```javascript
     function convertHTML(str) {
       // Use Object Lookup to declare as many HTML entities as needed.
-      htmlEntities={
+      const htmlEntities={
         '&':'&',
         '<':'&lt;',
         '>':'&gt;',

guide/portuguese/certifications/javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/convert-html-entities/index.md

@@ -112,7 +112,7 @@ Explique a solução aqui e adicione links relevantes
 ```javascript
     function convertHTML(str) { 
       // Use Object Lookup to declare as many HTML entities as needed. 
-      htmlEntities={ 
+      const htmlEntities={ 
         '&':'&', 
         '<':'&lt;', 
         '>':'&gt;', 

guide/russian/certifications/javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/convert-html-entities/index.md

@@ -112,7 +112,7 @@ function convertHTML(str) {
 ```javascript
     function convertHTML(str) { 
       // Use Object Lookup to declare as many HTML entities as needed. 
-      htmlEntities={ 
+      const htmlEntities={ 
         '&':'&', 
         '<':'&lt;', 
         '>':'&gt;', 

guide/spanish/certifications/javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/convert-html-entities/index.md

@@ -112,7 +112,7 @@ Explica la solución aquí y agrega cualquier enlace relevante.
 ```javascript
     function convertHTML(str) { 
       // Use Object Lookup to declare as many HTML entities as needed. 
-      htmlEntities={ 
+      const htmlEntities={ 
         '&':'&', 
         '<':'&lt;', 
         '>':'&gt;',