feat(api-docs): use catalog presentation for API titles

Signed-off-by: aarish mansur <aarishmansur@gmail.com>

plugins/api-docs/src/components/ApiDefinitionCard/ApiDefinitionCard.tsx

@@ -15,7 +15,10 @@
  */
 
 import { ApiEntity } from '@backstage/catalog-model';
-import { useEntity } from '@backstage/plugin-catalog-react';
+import {
+  useEntity,
+  useEntityPresentation,
+} from '@backstage/plugin-catalog-react';
 import { CardTab, TabbedCard } from '@backstage/core-components';
 import { useApi } from '@backstage/core-plugin-api';
 import { useTranslationRef } from '@backstage/frontend-plugin-api';
@@ -30,17 +33,17 @@ export const ApiDefinitionCard = () => {
   const config = useApi(apiDocsConfigRef);
   const { getApiDefinitionWidget } = config;
   const { t } = useTranslationRef(apiDocsTranslationRef);
+  const { primaryTitle } = useEntityPresentation(entity);
 
   if (!entity) {
     return <Alert severity="error">{t('apiDefinitionCard.error.title')}</Alert>;
   }
 
   const definitionWidget = getApiDefinitionWidget(entity);
-  const entityTitle = entity.metadata.title ?? entity.metadata.name;
 
   if (definitionWidget) {
     return (
-      <TabbedCard title={entityTitle}>
+      <TabbedCard title={primaryTitle}>
         <CardTab label={definitionWidget.title} key="widget">
           {definitionWidget.component(entity.spec.definition)}
         </CardTab>
@@ -56,7 +59,7 @@ export const ApiDefinitionCard = () => {
 
   return (
     <TabbedCard
-      title={entityTitle}
+      title={primaryTitle}
       children={[
         // Has to be an array, otherwise typescript doesn't like that this has only a single child
         <CardTab label={entity.spec.type} key="raw">

plugins/api-docs/src/components/ApiDefinitionDialog/ApiDefinitionDialog.tsx

@@ -16,6 +16,7 @@
 
 import { ApiEntity } from '@backstage/catalog-model';
 import { useApi } from '@backstage/core-plugin-api';
+import { EntityDisplayName } from '@backstage/plugin-catalog-react';
 import Box from '@material-ui/core/Box';
 import Button from '@material-ui/core/Button';
 import Dialog from '@material-ui/core/Dialog';
@@ -137,7 +138,7 @@ export function ApiDefinitionDialog(props: {
           {definitionWidget?.title ?? t('apiDefinitionDialog.rawButtonTitle')}
         </Typography>
         <Typography className={classes.title} variant="h1">
-          {entity.metadata.title ?? entity.metadata.name}
+          <EntityDisplayName entityRef={entity} />
         </Typography>
       </DialogTitle>
       <DialogContent dividers className={classes.root}>