Revert "Refactor challenge access checks and update text encoding: Remove unnecessary session variable in update and delete challenge functions. Update text in ChallengeManagement and ChallengesSection components for proper HTML encoding, enhancing display consistency."

This reverts commit 5e810202bb.

actions/admin/challenges.ts

@@ -97,7 +97,7 @@ export async function updateChallenge(
   }
 ) {
   try {
-    await checkAdminAccess()
+    const session = await checkAdminAccess()
 
     const challenge = await challengeService.updateChallenge(challengeId, {
       title: data.title,
@@ -128,7 +128,7 @@ export async function updateChallenge(
 
 export async function deleteChallenge(challengeId: string) {
   try {
-    await checkAdminAccess()
+    const session = await checkAdminAccess()
 
     await challengeService.deleteChallenge(challengeId)