Pasting center-adjusted text will center the text in the text input without posting centered text

### Steps to reproduce

1. Where are you starting? What can you see?
Inside a room where text input is available.

3. What do you click?
Paste existing center formatted text

### Outcome

#### What did you expect?
I expected either left-formatting in the text input box or a centered post

#### What happened instead?
Centered content in the textbox and left formatting in the posted message

### Your phone model

Oneplus 6

### Operating system version

LineageOS 20 (Android 13)

### Application version and app store

1.5.20 F-Droid

### Homeserver

matrix.org

### Will you send logs?

No

### Are you willing to provide a PR?

No