chore(NcAppContent): rename NcAppDetailsContent to remove from docs

[ShGKme]

NcAppDetailsToggle in internal component of NcAppContent and is not exported.

• Rename to NcAppContentDetailsToggle to follow naming guidelines
• Remove from docs

🏁 Checklist

• [x] ⛑️ Tests are included or are not applicable
• [x] 📘 Component documentation has been extended, updated or is not applicable
• [x] 3️⃣ Backport to next requested with a Vue 3 upgrade

[ShGKme]

I misunderstood the config 🙈