Selecting room with enter key sometimes inserts newline in message input box

[ilmari]

Steps to reproduce

1. Press Ctrl-K to filter rooms
2. Type room name
3. Press enter to select room

What happened?

The message input box is focused, and a newline inserted (but not always, it seems to be timing-dependent).

What did you expect?

The message input box is focused, but no text is inserted.

Operating system

Linux

Browser information

Firefox ESR 78.13.0

URL for webapp

app.element.io

Homeserver

ilmari.org

Have you submitted a rageshake?

No

[SimonBrandner]

I don't think I am able to repro

[robintown]

You maybe need Use Ctrl + Enter to send a message to be enabled

[SimonBrandner]

You maybe need Use Ctrl + Enter to send a message to be enabled

I have that enabled :P

[ilmari]

You maybe need Use Ctrl + Enter to send a message to be enabled

I have that enabled :P

I haven't

[SimonBrandner]

I still can't repro :( @ilmari, what would you say are the chances that you're holding the key for a bit too long or your device being a bit slow (searching the room-list can be expensive, afaik) with registering the key went up?

[ilmari]

How long I hold the key doesn't seem to affect it, but it happens more often when I type the name (or a short prefix of it) quickly and hit enter before the room list has finished filtering. Then, after that finishes and focus moves back to the text input field, I can see the newline appear.

The device isn't particularly slow (2.7GHz Core i7 laptop), but it's Firefox Extended Support Release (because Debian), so a quite old version (78). I can see if it happens on my similarly-specced Ubuntu laptop with Firefox 91 later.

[ilmari]

I can reproduce it on Firefox 92 too, but because it's much snappier the time window is smaller (i.e. I have to hit enter much quicker after typing in the room filter box).