apply core-imports codemod to all packages and plugins

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

plugins/gcp-projects/src/api/GcpApi.ts

@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-import { createApiRef } from '@backstage/core';
 import { Project, Operation } from './types';
+import { createApiRef } from '@backstage/core-plugin-api';
 
 export const gcpApiRef = createApiRef<GcpApi>({
   id: 'plugin.gcpprojects.service',

plugins/gcp-projects/src/api/GcpClient.ts

@@ -14,9 +14,9 @@
  * limitations under the License.
  */
 
-import { OAuthApi } from '@backstage/core';
 import { GcpApi } from './GcpApi';
 import { Operation, Project } from './types';
+import { OAuthApi } from '@backstage/core-plugin-api';
 
 const BASE_URL =
   'https://content-cloudresourcemanager.googleapis.com/v1/projects';

plugins/gcp-projects/src/components/NewProjectPage/NewProjectPage.tsx

@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+import { Button, Grid, TextField } from '@material-ui/core';
+import React, { useState } from 'react';
 import {
   Content,
   ContentHeader,
@@ -25,9 +27,7 @@ import {
   SimpleStepperStep,
   StructuredMetadataTable,
   SupportButton,
-} from '@backstage/core';
-import { Button, Grid, TextField } from '@material-ui/core';
-import React, { useState } from 'react';
+} from '@backstage/core-components';
 
 export const Project = () => {
   const [projectName, setProjectName] = useState('');

plugins/gcp-projects/src/components/ProjectDetailsPage/ProjectDetailsPage.tsx

@@ -13,16 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import {
-  Content,
-  ContentHeader,
-  Header,
-  HeaderLabel,
-  Page,
-  SupportButton,
-  useApi,
-  WarningPanel,
-} from '@backstage/core';
 import {
   Button,
   ButtonGroup,
@@ -40,6 +30,18 @@ import React from 'react';
 import { useAsync } from 'react-use';
 import { gcpApiRef } from '../../api';
 
+import {
+  Content,
+  ContentHeader,
+  Header,
+  HeaderLabel,
+  Page,
+  SupportButton,
+  WarningPanel,
+} from '@backstage/core-components';
+
+import { useApi } from '@backstage/core-plugin-api';
+
 const useStyles = makeStyles<Theme>(theme => ({
   root: {
     maxWidth: 720,

plugins/gcp-projects/src/components/ProjectListPage/ProjectListPage.tsx

@@ -15,17 +15,6 @@
  */
 
 //  NEEDS WORK
-import {
-  Content,
-  ContentHeader,
-  Header,
-  HeaderLabel,
-  Link,
-  Page,
-  SupportButton,
-  useApi,
-  WarningPanel,
-} from '@backstage/core';
 import {
   Button,
   LinearProgress,
@@ -42,6 +31,19 @@ import React from 'react';
 import { useAsync } from 'react-use';
 import { gcpApiRef, Project } from '../../api';
 
+import {
+  Content,
+  ContentHeader,
+  Header,
+  HeaderLabel,
+  Link,
+  Page,
+  SupportButton,
+  WarningPanel,
+} from '@backstage/core-components';
+
+import { useApi } from '@backstage/core-plugin-api';
+
 const LongText = ({ text, max }: { text: string; max: number }) => {
   if (text.length < max) {
     return <span>{text}</span>;

plugins/gcp-projects/src/plugin.ts

@@ -14,14 +14,14 @@
  * limitations under the License.
  */
 
+import { gcpApiRef, GcpClient } from './api';
+import { rootRouteRef } from './routes';
 import {
   createApiFactory,
   createPlugin,
   createRoutableExtension,
   googleAuthApiRef,
-} from '@backstage/core';
-import { gcpApiRef, GcpClient } from './api';
-import { rootRouteRef } from './routes';
+} from '@backstage/core-plugin-api';
 
 export const gcpProjectsPlugin = createPlugin({
   id: 'gcp-projects',

plugins/gcp-projects/src/routes.ts

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import { createRouteRef } from '@backstage/core';
+import { createRouteRef } from '@backstage/core-plugin-api';
 
 export const rootRouteRef = createRouteRef({
   path: '/gcp-projects',