fix(site): Fix login flow (#6294)

site/src/api/api.ts

@@ -101,9 +101,19 @@ export const logout = async (): Promise<void> => {
   await axios.post("/api/v2/users/logout")
 }
 
-export const getUser = async (): Promise<TypesGen.User> => {
-  const response = await axios.get<TypesGen.User>("/api/v2/users/me")
-  return response.data
+export const getAuthenticatedUser = async (): Promise<
+  TypesGen.User | undefined
+> => {
+  try {
+    const response = await axios.get<TypesGen.User>("/api/v2/users/me")
+    return response.data
+  } catch (error) {
+    if (axios.isAxiosError(error) && error.response?.status === 401) {
+      return undefined
+    }
+
+    throw error
+  }
 }
 
 export const getAuthMethods = async (): Promise<TypesGen.AuthMethods> => {