Added hotkey and controller to re-open end of round scoreboard (#25884)

Added hotkey and controller to re-open end of round scoreboard (#25884)

* Added keybind for scoreboard, starting work

* Fixed the window appearing

* Added loc text

* Updated namespace for ScoreboardUIController.cs

* Switched to UISystemDependency

"- UIControllers can use [Dependency] as normal for IoC services and other controllers, but must use [UISystemDependency] for entity systems, which may be null as controllers exist before entity systems do." Jezithyr — 10/12/2022 1:20 PM

* Reverted back to functional state

* Replace with UISystemDependency

* Move RoundEndSummaryWindow to ScoreboardUIController

* Convert to EntitySystem

* Clean up command bind

* Move to RoundEnd directory

* Remove Nukeops rule when no nukies

* Cleanup

* Change to toggle hotkey

* Cleanup

* Revert "Remove Nukeops rule when no nukies"

This reverts commit 5d4bbca09f45110b24a674d59b505be87b602b67.

* Cleanup

* Make the Toggle hotkey work in lobby

* Fix error

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Co-authored-by: SlamBamActionman <slambamactionman@gmail.com>
Co-authored-by: ShadowCommander <10494922+ShadowCommander@users.noreply.github.com>