Refactor keyboard shortcut handling and improve module switching logic

app/src/pages/Project.tsx

@@ -130,7 +130,7 @@ const Project: React.FC = () => {
           <LogList />
         </RenderOverlay>
       )}
-      {activeModule != "market" && <Footer />}
+      {activeModule !== "market" && !selectedUser && <Footer />}
     </div>
   );
 };