Rewrote app to use hooks and fixed multiple re-renders.

client/src/utils/private-route.js

@@ -1,14 +1,16 @@
 import React from "react";
 import { Route, Redirect } from "react-router-dom";
-export default ({ component: Component, isAuthorized, ...rest }) => (
-  <Route
-    {...rest}
-    render={props =>
-      isAuthorized === true ? (
-        <Component {...props} />
-      ) : (
-        <Redirect to="/unauthorized" />
-      )
-    }
-  />
-);
+export default ({ component: Component, isAuthorized, ...rest }) => {
+  return (
+    <Route
+      {...rest}
+      render={props =>
+        isAuthorized === true ? (
+          <Component {...props} />
+        ) : (
+          <Redirect to="/unauthorized" />
+        )
+      }
+    />
+  );
+};