frontend: center appupgraderequired view

thisconnect · thisconnect · commit abad3be941fb · 2024-03-13T20:57:39.000+01:00
App-upgrade-required component looks better if fully centered, as
it is just a message and a download button.
diff --git a/frontends/web/src/components/appupgraderequired.tsx b/frontends/web/src/components/appupgraderequired.tsx
@@ -27,6 +27,7 @@ export const AppUpgradeRequired = () => {
       <Header />
       <View
         fullscreen
+        textCenter
         verticallyCentered
         width="840px"
         withBottomBar>
