hide new chat button on sd page

app/components/sidebar.tsx

@@ -152,7 +152,7 @@ export function SideBar(props: { className?: string }) {
   useHotKey();
 
   let bodyComponent: React.JSX.Element;
-  let isChat: boolean;
+  let isChat: boolean = false;
   switch (location.pathname) {
     case Path.Sd:
       bodyComponent = <SdList />;
@@ -161,6 +161,7 @@ export function SideBar(props: { className?: string }) {
       isChat = true;
       bodyComponent = <ChatList narrow={shouldNarrow} />;
   }
+  // @ts-ignore
   return (
     <div
       className={`${styles.sidebar} ${props.className} ${
@@ -240,21 +241,23 @@ export function SideBar(props: { className?: string }) {
             </a>
           </div>
         </div>
-        <div>
-          <IconButton
-            icon={<AddIcon />}
-            text={shouldNarrow ? undefined : Locale.Home.NewChat}
-            onClick={() => {
-              if (config.dontShowMaskSplashScreen) {
-                chatStore.newSession();
-                navigate(Path.Chat);
-              } else {
-                navigate(Path.NewChat);
-              }
-            }}
-            shadow
-          />
-        </div>
+        {isChat && (
+          <div>
+            <IconButton
+              icon={<AddIcon />}
+              text={shouldNarrow ? undefined : Locale.Home.NewChat}
+              onClick={() => {
+                if (config.dontShowMaskSplashScreen) {
+                  chatStore.newSession();
+                  navigate(Path.Chat);
+                } else {
+                  navigate(Path.NewChat);
+                }
+              }}
+              shadow
+            />
+          </div>
+        )}
       </div>
 
       <div