Fetch unread notifications in addition to read ones

src/main/lib/github-interface.ts

@@ -107,11 +107,12 @@ export async function fetchNotificationsForAccount(
 	const octokit = createOctokit(account);
 	const notificationsResponse =
 		await octokit.rest.activity.listNotificationsForAuthenticatedUser({
-			all: false,
+			all: true,
 		});
 
 	const notes: Note[] = [];
 
+	// FIXME: do these fetches in parallel instead of serial
 	for (const notification of notificationsResponse.data) {
 		let commentAvatar: string;
 		let commentHtmlUrl: string;

src/renderer/lib/helpers.ts

@@ -22,6 +22,14 @@ function getMatchingPrevNote(prevNotes: Note[], note: Note): Note | undefined {
 	return prevNotes.find((prevNote) => getNoteId(prevNote) === getNoteId(note));
 }
 
+/**
+ * Return all the new notes, but if they match one of the previous notes,
+ * update the new note's "seen" and "unread" properties to match those of the
+ * previous note.
+ *
+ * This allows updated unread notes which have been "seen" to retain that
+ * property if the user has already seen them.
+ */
 export function mergeNotifications(
 	prevNotes: Note[],
 	nextNotes: Note[]