Connection form "Enter" to submit instead of delete

[nichwall]

Fixes #1158

This PR switches the order of the "delete" and "submit" buttons for editing a server connection, then uses flex-row-reverse to keep the UI looking the same.
Pressing "enter" while being focused on the password field now submits and attempts a connection instead of trying to delete the server config.

Tested on Android, Pixel 6a.

[advplyr]

The better way to handle this is to set the button to type="button". The other ui-btn component takes a prop type so that would need to also be added to the ui-icon-btn. I can do that actually it will only take a min

[nichwall]

Sounds good. Thanks for fixing these little code things I try. Feel free to just close the PR if you do it in another commit.

[advplyr]

I got it here 03a46de
I set the default for the icon btn to be type "button" because it made sense.