select_room example should keep the room name in the input field

[b3aribeiro]

This feature request is related to the "Is it possible to create multiple rooms through the use of entry keys?" discussion thread:

What currently happens:
The experimental example, select_room, is currently refreshing the HTML input field back to "main" once the user clicks in the "Join Room" button.

What should happen:
After typing the custom room name into the HTML input field and clicking "Join Room", the typed name should remain exposed in the input field, so the users can remember/share their key to friends.

[jbakse]

Yes, this would be a good addition.

[jbakse]

fixed in 5a54c0d