New: Show author names after task name when applicable

(cherry picked from commit 6d552f2a60f44052079b5e8944f5e1bbabac56e0)

Closes #3361

frontend/src/Store/Selectors/createMultiAuthorsSelector.ts

@@ -0,0 +1,14 @@
+import { createSelector } from 'reselect';
+import AppState from 'App/State/AppState';
+
+function createMultiAuthorsSelector(authorIds: number[]) {
+  return createSelector(
+    (state: AppState) => state.authors.itemMap,
+    (state: AppState) => state.authors.items,
+    (itemMap, allAuthors) => {
+      return authorIds.map((authorId) => allAuthors[itemMap[authorId]]);
+    }
+  );
+}
+
+export default createMultiAuthorsSelector;