[BUG] Arena display issue after resize

[morganduverney]

BEFORE SUBMITTING AN ISSUE CHECK THE FOLLOWING:

• [x] I checked existing issues.
• [x] This is not a support question (which can be answered on Slack).
• [x] This issue is on the web client (not API, Lambda, or Bots)

ISSUE DESCRIPTION

- What version of the project are you using? Alpha - QA

- What browser and its version are you using? Chrome & Safari

- What did you do? (Steps to Replicate Issue)

1. Play any game
2. Resize the window during gameplay

OR

1. Play any game to the end
2. Once the game has ended, resize the window

- What did you expect to see? Arena resizes gracefully with the window

- What did you see instead? Arena area goes blank while resizing, then reappears after resized

OR

At the end of the game, arena area goes blank and does not reappear

- More details?

See screen shot for game end scenario.

[morganduverney]

This issue is fixed in Chrome, but I am still seeing many arena display issues in Safari.

Closing this bug since it is fixed in Chrome. See #290 for details on Safari issues.