fix(curriculum): allow whitespaces in tests by trimming textContent for Build a Balance Sheet (#61312)

curriculum/challenges/english/25-front-end-development/workshop-balance-sheet/61fd70336ebb3e4f62ee81ba.md

@@ -25,7 +25,7 @@ assert.strictEqual(
 Your `caption` element should have the text `Assets`.
 
 ```js
-assert.strictEqual(document.querySelector('caption')?.textContent, 'Assets');
+assert.strictEqual(document.querySelector('caption')?.textContent.trim(), 'Assets');
 ```
 
 # --seed--

curriculum/challenges/english/25-front-end-development/workshop-balance-sheet/61fd7b3fcaa5406257abc5d1.md

@@ -25,7 +25,7 @@ Your `caption` element should have the text `Liabilities`.
 ```js
 assert.strictEqual(
   document.querySelectorAll('table')?.[1]?.querySelector('caption')
-    ?.textContent,
+    ?.textContent.trim(),
   'Liabilities'
 );
 ```

curriculum/challenges/english/25-front-end-development/workshop-balance-sheet/61fd9a4ff2fc4481b9157bd7.md

@@ -22,7 +22,7 @@ Your `caption` element should have the text `Net Worth`.
 
 ```js
 const table = document.querySelectorAll('table')?.[2];
-assert.strictEqual(table?.querySelector('caption')?.textContent, 'Net Worth');
+assert.strictEqual(table?.querySelector('caption')?.textContent.trim(), 'Net Worth');
 ```
 
 Your third `table` element should have a `thead` element.