QQQ-32: added booleans, cleaned up error handling, fixed infinite loop on unauthorized login, removed all the login buttons, removed redundant qClient functions

src/examples/Sidenav/index.tsx

@@ -44,6 +44,7 @@ import {
   setTransparentSidenav,
   setWhiteSidenav,
 } from "context";
+import AuthenticationButton from "qqq/components/Buttons/AuthenticationButton";
 
 // Declaring props types for Sidenav
 interface Props {
@@ -314,6 +315,7 @@ function Sidenav({ color, brand, brandName, routes, ...rest }: Props): JSX.Eleme
         }
       />
       <List>{renderRoutes}</List>
+      <AuthenticationButton />
     </SidenavRoot>
   );
 }