Import selected PF components only

This does not currently make any difference for the dist/ size because
of patternfly/patternfly-react#10618. But we
do that in all other projects.

src/files-breadcrumbs.tsx

@@ -16,11 +16,15 @@
  * You should have received a copy of the GNU Lesser General Public License
  * along with Cockpit; If not, see <http://www.gnu.org/licenses/>.
  */
-import cockpit from "cockpit";
 import React from "react";
+
 import { CheckIcon, HddIcon, PencilAltIcon, TimesIcon } from "@patternfly/react-icons";
+import { Button } from "@patternfly/react-core/dist/esm/components/Button";
+import { Flex, FlexItem } from "@patternfly/react-core/dist/esm/layouts/Flex";
+import { Page } from "@patternfly/react-core/dist/esm/components/Page";
+import { TextInput } from "@patternfly/react-core/dist/esm/components/TextInput";
 
-import { Button, Flex, FlexItem, PageBreadcrumb, TextInput } from "@patternfly/react-core";
+import cockpit from "cockpit";
 
 import { SettingsDropdown } from "./settings-dropdown.jsx";
 

src/files-folder-view.tsx

@@ -18,7 +18,8 @@
  */
 
 import React, { useState } from "react";
-import { Card } from "@patternfly/react-core";
+
+import { Card } from '@patternfly/react-core/dist/esm/components/Card';
 
 import { FolderFileInfo } from "./app";
 import { FilesCardBody } from "./files-card-body.jsx";