Enter key sends in slack. AOSP keyboard makes a line break

### Steps to reproduce Open slack write "test" press enter message sends switch to aosp keyboard write "test" press enter line break ### Expected behavior I would prefer if thumb key enter matched the aosp kb behavior ### Actual behavior For some reason thumbkey sends the message instead of going to a new line ### version of the program 5.1.5 ### Android version 16 ### Device Pixel 9 pro fold ### Other details _No response_ ### Acknowledgements - [x] I have written a short but informative title. - [x] I have updated the app to **[the latest version](https://github.com/dessalines/thumb-key/releases/latest)**. - [x] I have searched the existing issues and this is a new one, **NOT** a duplicate or related to another open issue. - [x] This is not a question or a discussion, in which case I should have gone to [lemmy.ml/c/thumbkey](https://lemmy.ml/c/thumbkey) - [x] This is a **single** bug report, in case of multiple bugs I will open a separate issue for each one (they can always link to each other if related) - [ ] I have admitted that I am a clown by having checked this box, as I have not read these acknowledgements. 🤡 - [x] I have filled out all of the requested information in this form.