Merge pull request #935 from prymitive/revert-upgrade-msg

fix(ui): revert style changes for upgrade screen

ui/src/Components/Grid/UpgradeNeeded/__snapshots__/index.test.js.snap

@@ -20,7 +20,7 @@ exports[`<UpgradeNeeded /> matches snapshot 1`] = `
         </path>
       </svg>
     </h1>
-    <p class=\\"lead text-white bg-secondary px-1 py-3 rounded\\">
+    <p class=\\"lead text-muted\\">
       <svg aria-hidden=\\"true\\"
            focusable=\\"false\\"
            data-prefix=\\"fas\\"

ui/src/Components/Grid/UpgradeNeeded/index.js

@@ -33,7 +33,7 @@ class UpgradeNeeded extends Component {
           <h1 className="display-1 my-5 text-success shake-slow shake-constant">
             <FontAwesomeIcon icon={faRocket} />
           </h1>
-          <p className="lead text-white bg-secondary px-1 py-3 rounded">
+          <p className="lead text-muted">
             <FontAwesomeIcon className="mr-1" icon={faSpinner} spin />
             Upgrading to a new version: {newVersion}
           </p>