Show operations when paused

[amytimed]

We should be able to see objects and joints we drew while the game is paused
Simple enough, just need to store the created objects and append them until the next world update

[amytimed]

Simple enough, just need to store the created objects and append them until the next world update

because of things like move tool, itll be a bit more complicated
we need to modify the shapes and send world updates to clients even when paused