Warn host and eventually close if inactive

[GrantBartlett]

In relation to this: https://github.com/CnCNet/xna-cncnet-client/issues/88 Originally was this, but it was 2 years ago: https://github.com/CnCNet/xna-cncnet-client/pull/145

Checks the host hasn't been active for X seconds defined in the ClientDefinitions Continues to check on past that time until X seconds until the hosted game is closed.

[github-actions[bot]]

Nightly build for this pull request:

• artifacts-Ares.zip
• artifacts-TS.zip
• artifacts-YR.zip This comment is automatic and is meant to allow guests to get latest automatic builds without registering. It is updated on every successful build.

[GrantBartlett]

Any changes needed on this before it gets merged please? Thanks!