Improve sales analysis page loading speed and display

Update SalesAnalysisPage to render an iframe directly, improving initial load performance and user experience by removing unnecessary wrapper elements and adding fullscreen capability.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 1e4433b5-47ab-464c-b663-fea2e53367dd
Replit-Commit-Checkpoint-Type: intermediate_checkpoint
Replit-Commit-Event-Id: 6bc668ff-666c-4b5d-8977-013904eb1ec9
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/1957c339-2757-4d1f-8e92-e9f71a1ce58e/1e4433b5-47ab-464c-b663-fea2e53367dd/7RN8LqE

client/src/pages/SalesAnalysisPage.tsx

@@ -52,31 +52,14 @@ export default function SalesAnalysisPage() {
   }
 
   return (
-    <div className="flex-1 flex flex-col overflow-hidden">
-      {/* Header */}
-      <div className="bg-white shadow-sm border-b border-gray-200 p-6">
-        <div className="flex items-center">
-          <TrendingUp className="w-8 h-8 text-blue-600 mr-3" />
-          <div>
-            <h2 className="text-2xl font-bold text-gray-900">
-              Analyse des Ventes
-            </h2>
-            <p className="text-gray-600 text-sm">
-              {salesAnalysisUrl}
-            </p>
-          </div>
-        </div>
-      </div>
-
-      {/* Iframe Content */}
-      <div className="flex-1 overflow-hidden">
-        <iframe
-          src={salesAnalysisUrl}
-          className="w-full h-full border-0"
-          title="Analyse des Ventes"
-          data-testid="iframe-sales-analysis"
-        />
-      </div>
+    <div className="w-full h-screen">
+      <iframe
+        src={salesAnalysisUrl}
+        className="w-full h-full border-0"
+        title="Analyse des Ventes"
+        data-testid="iframe-sales-analysis"
+        allow="fullscreen"
+      />
     </div>
   );
 }