save publishing info in the save upload ui

also fix the other crash when exiting the game from inside of one of these windows, because first Client::Shutdown would delete all active requests and only later ~Engine would delete _state, which delets the ServerSaveActivity window, which tries to close the active render request
fix ToolTips on split buttons not working correctly (button overrode them), fix tooltips displaying on disabled buttons
fix tpt.selectedl not changing sometimes when using the element search or sample tool. Assume that new saves will get the auto-vote, so set that too.
minor gitignore