showing a user is typing (bring back the three dot typing indicator)

[christiansacks]

Description

When a contact is typing, it used to show a 3 dot animation which was gorgeous, now it shows "User is typing..." in text, boring!

Steps to reproduce

• When any user is typing in the same room you're looking at

See description

Log: not sent?

Version information

• Platform: web (in-browser) or desktop?

For the web app:

• Browser: Chrome, Safari, Firefox? which version?
• OS: Windows, macOS, Ubuntu, Arch Linux, etc?
• URL: riot.im/develop / riot.im/app / somewhere else? If a private server, what version of riot-web?

For the desktop app:

• OS: Windows, macOS, Ubuntu, Arch Linux, etc?
• Version: 1.x.y

Linux Ubuntu Desktop Client: "riot-web version: 1.2.1"