App mode - landing/arrange screens - 4 (#9026)

## Summary

Updates messaging on app mode welcome pages and adds arrange view

## Screenshots (if applicable)

Build app view
<img width="628" height="470" alt="image"
src="https://github.com/user-attachments/assets/7f648769-1380-4093-8de9-414d05303b87"
/>

Run view
<img width="593" height="471" alt="image"
src="https://github.com/user-attachments/assets/cc81cfd0-fa89-4402-82f4-6bbdd0e7e2f9"
/>

Arrange view
<img width="1071" height="829" alt="image"
src="https://github.com/user-attachments/assets/ae8666ef-dff1-4fde-929e-89479c891261"
/>

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-9026-App-mode-landing-arrange-screens-4-30d6d73d365081f4b209f34834a2ce5e)
by [Unito](https://www.unito.io)

src/renderer/extensions/linearMode/LinearControls.vue

@@ -147,7 +147,7 @@ defineExpose({ runButtonClick })
 </script>
 <template>
   <div
-    v-if="!appModeStore.isBuilderMode"
+    v-if="!appModeStore.isBuilderMode && appModeStore.hasOutputs"
     class="flex flex-col min-w-80 md:h-full"
   >
     <section