Fied Link components usage. Now, all links use the Backstage's Link component

Signed-off-by: WarlenRodrigues <warlen.cesarrodrigues@gmail.com>

plugins/cloudbuild/src/components/Cards/Cards.tsx

@@ -19,12 +19,13 @@ import { WorkflowRunsTable } from '../WorkflowRunsTable';
 import { Entity } from '@backstage/catalog-model';
 import { useEntity } from '@backstage/plugin-catalog-react';
 import { WorkflowRunStatus } from '../WorkflowRunStatus';
-import { Link, Theme, makeStyles, LinearProgress } from '@material-ui/core';
+import { Theme, makeStyles, LinearProgress } from '@material-ui/core';
 import ExternalLinkIcon from '@material-ui/icons/Launch';
 import { CLOUDBUILD_ANNOTATION } from '../useProjectName';
 
 import {
   InfoCard,
+  Link,
   StructuredMetadataTable,
   WarningPanel,
 } from '@backstage/core-components';
@@ -62,7 +63,7 @@ const WidgetContent = ({
         ),
         message: lastRun.message,
         url: (
-          <Link href={lastRun.googleUrl} target="_blank">
+          <Link to={lastRun.googleUrl ?? ''} target="_blank">
             See more on Google{' '}
             <ExternalLinkIcon className={classes.externalLinkIcon} />
           </Link>