CE-2065: convert useIoc to common

• converts useIoc hook to common api
• adds view story for ioc details page
• removes unnecessary / unused unit test
• hardens ioc details page / AlertMessages component

Closes CE-2065

src/__tests__/backend-mock-setup.test.js

-import React from "react";
-import { act, render, screen } from "@testing-library/react";
-import { SnackbarProvider } from "notistack";
-import { APIProvider, useIOCList } from "../api/SwaggerApi";
-
-function APIHarness({ children }) {
-  // We need a snackbar provider at the moment
-  return (
-    <SnackbarProvider>
-      <APIProvider>{children}</APIProvider>
-    </SnackbarProvider>
-  );
-}
-
-// This component will just try to use a hook from our API
-// We want to check that we can get a response from the mock backend
-function DisplayIOCs() {
-  const [iocs] = useIOCList();
-  return JSON.stringify(iocs);
-}
-
-test("that using OpenAPIBackend and MSW works with Swagger-Client and our API hooks", async () => {
-  // render and wait for the state changes
-  await act(async () => {
-    render(
-      <APIHarness>
-        <DisplayIOCs />
-      </APIHarness>
-    );
-  });
-
-  // check that we got the example IOCList from the OpenAPI spec back
-  expect(await screen.findByText(/activeDeployment/i)).toBeInTheDocument();
-});