Fix p5 console being cleared on pause

[amitch6097]

Fixes #1231
The p5 console was being cleared on pause
not allowing a user to view what was outputed
on the last run. To fix clearConsole function
is now only called if playing.

I have verified that this pull request:

• [ x] has no linting errors (npm run lint)
• [ x] is from a uniquely-named feature branch and has been rebased on top of the latest master. (If I was asked to make more changes, I have made sure to rebase onto master then too)
• [ x] is descriptively named and links to an issue number, i.e. Fixes #123

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[catarak]

looks great to me, thank you!