[web] Simplify the change product link

The logic for not rendering it when already on the product selection page is no
longer needed now that it's rendered on demand (when the user is on the
Overview page at this moment).

web/src/components/software/ChangeProductLink.jsx

@@ -20,18 +20,14 @@
  */
 
 import React from "react";
-import { Link, useLocation } from "react-router-dom";
+import { Link } from "react-router-dom";
 import { useSoftware } from "~/context/software";
 import { Icon } from "~/components/layout";
 
 export default function ChangeProductLink() {
   const { products } = useSoftware();
-  const { pathname } = useLocation();
-  const multiProduct = products?.length > 1;
 
-  if (!multiProduct || pathname === "/products") {
-    return null;
-  }
+  if (products?.length === 1) return null;
 
   return (
     <Link to="/products">

web/src/components/software/ChangeProductLink.test.jsx

@@ -21,7 +21,7 @@
 
 import React from "react";
 import { screen, waitFor } from "@testing-library/react";
-import { installerRender, mockRoutes } from "~/test-utils";
+import { installerRender } from "~/test-utils";
 import { createClient } from "~/client";
 import { ChangeProductLink } from "~/components/software";
 
@@ -48,21 +48,6 @@ beforeEach(() => {
 });
 
 describe("ChangeProductLink", () => {
-  describe("when it's already in the product selection path", () => {
-    beforeEach(() => {
-      mockRoutes("/products");
-      mockProducts = [
-        { id: "openSUSE", name: "openSUSE Tumbleweed" },
-        { id: "Leap Micro", name: "openSUSE Micro" }
-      ];
-    });
-
-    it("renders nothing", async () => {
-      const { container } = installerRender(<ChangeProductLink />);
-      await waitFor(() => expect(container).toBeEmptyDOMElement());
-    });
-  });
-
   describe("when there is only a single product", () => {
     beforeEach(() => {
       mockProducts = [