Tweak updater modal appearance

src/browser/components/UpdaterPage.jsx

@@ -31,7 +31,7 @@ InstallButton.propTypes = {
 function UpdaterPage(props) {
   return (
     <div className='UpdaterPage'>
-      <Navbar>
+      <Navbar fluid={true} >
         <h1 className='UpdaterPage-heading'>{'New update is available'}</h1>
       </Navbar>
       <div className='container-fluid'>

src/main/autoUpdater.js

@@ -28,7 +28,7 @@ function createEventListener(win, eventName) {
 
 function createUpdaterModal(parentWindow, options) {
   const windowWidth = 480;
-  const windowHeight = 240;
+  const windowHeight = 280;
   const windowOptions = {
     title: `${app.getName()} Updater`,
     parent: parentWindow,