fix: hide all instances list from non root user

src/pages/Immersion.tsx

@@ -264,6 +264,21 @@ function Immersion() {
                   </div>
                 )}
                 
+
+              </div>
+
+              {/* Colonne droite - iframe du sujet */}
+              <div className="lg:w-2/3 px-4">
+                <div className="bg-base-200 shadow-lg rounded-lg p-6 mt-4 h-full">
+                  <h2 className="text-2xl font-bold text-blue-600 mb-4">
+                    Subject
+                  </h2>
+                  <iframe
+                    src="https://tp.la-banquise.fr/Sujet_1_Banquise.pdf"
+                    className="w-full h-[800px] rounded-lg border-2 border-base-300"
+                    title="Subject Document"
+                  />
+                </div>
                 <a
                   href={ji.pdfLink}
                   target="_blank"
@@ -280,23 +295,9 @@ function Immersion() {
                   </div>
                 </a>
                 </div>
-
-              {/* Colonne droite - iframe du sujet */}
-              <div className="lg:w-2/3 px-4">
-                <div className="bg-base-200 shadow-lg rounded-lg p-6 mt-4 h-full">
-                  <h2 className="text-2xl font-bold text-blue-600 mb-4">
-                    Subject
-                  </h2>
-                  <iframe
-                    src="https://tp.la-banquise.fr/Sujet_1_Banquise.pdf"
-                    className="w-full h-[800px] rounded-lg border-2 border-base-300"
-                    title="Subject Document"
-                  />
             </div>
-              </div>
-            </div>
-
 {/* Section inférieure : Tableau des instances sur toute la largeur */}
+            {username === "root" && (
               <div className="px-4 mt-8">
                 <div className="bg-base-200 shadow-lg rounded-lg p-6">
                   <div className="flex justify-between items-center mb-4">
@@ -395,6 +396,7 @@ function Immersion() {
                   </div>
                 </div>
               </div>
+            )}
           </div>
         </>
       )}