Conditionally render navbar based on pathname (#640)

Author: Jopat2409

gcs/src/components/mainContent.jsx

@@ -46,7 +46,7 @@ export default function AppContent() {
         {renderUI && <Toolbar />}
         <ErrorBoundary fallbackRender={ErrorBoundaryFallback}>
           <SettingsModal />
-          <Navbar className="no-drag" />
+          {renderUI && <Navbar className="no-drag" />}
           <Routes>
             <Route
               path="/"