Refactored so that the studyEnd also has its own component

frontend/src/components/BehaviorStudyEnd.js

@@ -0,0 +1,12 @@
+import React from "react";
+import "../App.css";
+
+export default function BehaviorStudyEnd() {
+  return (
+    <>
+      <p>
+        Merci :-)
+      </p>
+    </>
+  );
+}

frontend/src/components/pages/Study.js

@@ -9,6 +9,7 @@ import BehaviorNormal from "../BehaviorNormal";
 import { Button } from "../Button";
 import BehaviorPhone from "../BehaviorPhone";
 import BehaviorStanding from "../BehaviorStanding";
+import BehaviorStudyEnd from "../BehaviorStudyEnd";
 
 export default function Study() {
   const _logger = useRef(0);
@@ -215,7 +216,7 @@ export default function Study() {
     </>
   );
 
-  const study_end = <p>Merci :-)</p>;
+  const study_end = <BehaviorStudyEnd />;
 
   return (
     <>