Refactor canvas element references to use "work-space-three-d-canvas"; update tooltip keyboard shortcut; clean up unused imports and comments; enhance keyboard shortcut handling for module switching and tool selection.

app/src/pages/Project.tsx

@@ -102,7 +102,7 @@ const Project: React.FC = () => {
       )}
       <div
         className="scene-container"
-        id="real-time-vis-canvas"
+        id="work-space-three-d-canvas"
         style={{
           height: isPlaying || activeModule !== "visualization" ? "100vh" : "",
           width: isPlaying || activeModule !== "visualization" ? "100vw" : "",
@@ -130,7 +130,7 @@ const Project: React.FC = () => {
           <LogList />
         </RenderOverlay>
       )}
-      {activeModule != "market" && <Footer />}
+      {activeModule !== "market" && !selectedUser && <Footer />}
     </div>
   );
 };