Remove enableGallery feature flag (#68)

* Remove enableGallery feature flag

* Fix bugs

* Add tests to increase coverage

* Move favorites functionality behind feature.enableGalleryPublish flag

* Show code cells in NotebookViewer

* Use cosmos db logo as persona image for sample notebook gallery cards

* Update gallery card snapshot to fix test

src/Utils/JunoUtils.test.ts

@@ -0,0 +1,45 @@
+import { RepoListItem } from "../Explorer/Controls/GitHub/GitHubReposComponent";
+import { IPinnedRepo } from "../Juno/JunoClient";
+import { JunoUtils } from "./JunoUtils";
+import { IGitHubRepo } from "../GitHub/GitHubClient";
+
+const gitHubRepo: IGitHubRepo = {
+  name: "repo-name",
+  owner: "owner",
+  private: false
+};
+
+const repoListItem: RepoListItem = {
+  key: "key",
+  repo: {
+    name: "repo-name",
+    owner: "owner",
+    private: false
+  },
+  branches: [
+    {
+      name: "branch-name"
+    }
+  ]
+};
+
+const pinnedRepo: IPinnedRepo = {
+  name: "repo-name",
+  owner: "owner",
+  private: false,
+  branches: [
+    {
+      name: "branch-name"
+    }
+  ]
+};
+
+describe("JunoUtils", () => {
+  it("toPinnedRepo converts RepoListItem to IPinnedRepo", () => {
+    expect(JunoUtils.toPinnedRepo(repoListItem)).toEqual(pinnedRepo);
+  });
+
+  it("toGitHubRepo converts IPinnedRepo to IGitHubRepo", () => {
+    expect(JunoUtils.toGitHubRepo(pinnedRepo)).toEqual(gitHubRepo);
+  });
+});