Make 0% visible in auto-updater progress bar

src/browser/components/UpdaterPage.jsx

@@ -30,7 +30,7 @@ InstallButton.propTypes = {
 
 function UpdaterPage(props) {
   return (
-    <div>
+    <div className='UpdaterPage'>
       <Navbar>
         <h1 className='UpdaterPage-heading'>{'New update is available'}</h1>
       </Navbar>

src/browser/css/components/UpdaterPage.css

@@ -10,3 +10,7 @@
 .UpdaterPage-footer {
   padding: 1em 0;
 }
+
+.UpdaterPage .progress-bar {
+  min-width: 2em;
+}