Update release block to look for edit_url property

This commit fixes a bug that was causing the edit button on each release
block to not be rendered.

app/assets/javascripts/releases/list/components/release_block.vue

@@ -76,7 +76,7 @@ export default {
     },
     shouldShowEditButton() {
       return Boolean(
-        this.glFeatures.releaseEditPage && this.release._links && this.release._links.edit,
+        this.glFeatures.releaseEditPage && this.release._links && this.release._links.edit_url,
       );
     },
   },
@@ -108,7 +108,7 @@ export default {
           v-gl-tooltip
           class="btn btn-default js-edit-button ml-2"
           :title="__('Edit this release')"
-          :href="release._links.edit"
+          :href="release._links.edit_url"
         >
           <icon name="pencil" />
         </gl-link>

changelogs/unreleased/nfriend-fix-edit_url-property.yml

+---
+title: Allow release block edit button to be visible
+merge_request: 19226
+author:
+type: fixed

spec/frontend/releases/list/components/release_block_spec.js

@@ -73,7 +73,7 @@ describe('Release block', () => {
 
     it('renders an edit button that links to the "Edit release" page', () => {
       expect(editButton().exists()).toBe(true);
-      expect(editButton().attributes('href')).toBe(release._links.edit);
+      expect(editButton().attributes('href')).toBe(release._links.edit_url);
     });
 
     it('renders release name', () => {
@@ -180,7 +180,7 @@ describe('Release block', () => {
     });
   });
 
-  it("does not render an edit button if release._links.edit isn't a string", () => {
+  it("does not render an edit button if release._links.edit_url isn't a string", () => {
     delete releaseClone._links;
 
     return factory(releaseClone).then(() => {

spec/frontend/releases/mock_data.js

@@ -95,6 +95,6 @@ export const release = {
     ],
   },
   _links: {
-    edit: 'http://0.0.0.0:3001/root/release-test/-/releases/v0.3/edit',
+    edit_url: 'http://0.0.0.0:3001/root/release-test/-/releases/v0.3/edit',
   },
 };