The Post button at the bottom right should always post to viewing channel in Smartphone UI

[MineCake147E]

💡 Summary

The ✎ button at the bottom right posts a note to the public timeline, not in channel.

🥰 Expected Behavior

The ✎ button at the bottom right posts a note to the channel.

🤬 Actual Behavior

The ✎ button at the bottom right posts a note to the public timeline.

📝 Steps to Reproduce

1. Show https://misskey.io/channels/9edbi3tovy with Smartphone UI Mode.
2. Note something with the Post button at the bottom right.
3. See what happens.

📌 Environment

Misskey version: 13.11.3
Your OS: Windows 10 Home 22H2 19045.2846
Your browser: Mozilla Firefox 112.0.2