Additional fixes for firebase login. Capture basic local state.

client/src/components/loading-spinner/loading-spinner.component.jsx

@@ -3,5 +3,5 @@ import { Spin } from "antd";
 import "./loading-spinner.styles.scss";
 
 export default function LoadingSpinner() {
-  return <Spin className="spinner" size="large" delay="500" />;
+  return <Spin className="loading-spinner" size="large" delay="500" />;
 }

client/src/components/loading-spinner/loading-spinner.styles.scss

@@ -1,3 +1,3 @@
-.spinner {
+.loading-spinner {
   text-align: center;
 }