UI Action Handler Changes, Misc Fixes

frontend/src/Store/Selectors/createArtistCountSelector.js

@@ -0,0 +1,13 @@
+import { createSelector } from 'reselect';
+import createAllArtistSelector from './createAllArtistSelector';
+
+function createArtistCountSelector() {
+  return createSelector(
+    createAllArtistSelector(),
+    (series) => {
+      return series.length;
+    }
+  );
+}
+
+export default createArtistCountSelector;