Smoke Testing Grid Layout Changes (#242451)

Part of [issue](#242449)

## Summary
Smoke testing core owned UI components to ensure the new grid layout
changes look good and not breaking anything. Making updates to core UI
components as part of identifying suspicious code patterns in this
[doc](https://docs.google.com/document/d/1nQc-yfwE3ckbHzK9KQTuOzM5RxNYtAGIqtrOZvzKXKA/edit?tab=t.35ez0kdwk5e4).

Author: hammad-nasir-elastic

src/core/packages/application/browser-internal/src/ui/app_not_found_screen.tsx

@@ -12,7 +12,7 @@ import React from 'react';
 import { FormattedMessage } from '@kbn/i18n-react';
 
 export const AppNotFound = () => (
-  <EuiPageTemplate data-test-subj="appNotFoundPageContent">
+  <EuiPageTemplate grow={false} data-test-subj="appNotFoundPageContent">
     <EuiPageTemplate.EmptyPrompt
       iconType="warning"
       iconColor="danger"

src/core/packages/apps/browser-internal/src/errors/error_application.tsx

@@ -33,7 +33,7 @@ const ErrorPage: React.FC<Props> = ({ title, children }) => {
     });
 
   return (
-    <EuiPageTemplate data-test-subj="appRenderErrorPageContent">
+    <EuiPageTemplate grow={false} data-test-subj="appRenderErrorPageContent">
       <EuiPageTemplate.EmptyPrompt
         iconType="warning"
         iconColor="danger"