fix(client): lab preview modal text (#56305)

client/i18n/locales/english/translations.json

@@ -445,6 +445,7 @@
     "help-translate": "We are still translating this certification.",
     "help-translate-link": "Help us translate.",
     "project-preview-title": "Here's a preview of what you will build",
+    "demo-project-title": "Here's an example of a project that meets the requirements",
     "github-required": "<0>Create a GitHub</0> account if you don't have one. You'll need it when you create the virtual Linux server machine. This process may take a few minutes.",
     "gitpod": {
       "intro": "This course runs in a virtual Linux machine using Gitpod. Follow these instructions to start the course:",

client/src/templates/Challenges/classic/show.tsx

@@ -526,7 +526,11 @@ function ShowClassic({
         <ProjectPreviewModal
           challengeData={challengeData}
           closeText={t('buttons.start-coding')}
-          previewTitle={t('learn.project-preview-title')}
+          previewTitle={
+            demoType === 'onClick'
+              ? t('learn.demo-project-title')
+              : t('learn.project-preview-title')
+          }
         />
         <ShortcutsModal />
       </LearnLayout>