Add scroll zooming for admins and ghosts (#14061)

* Add scroll zooming for admins

* Bunch of work

* Kinda better kinda worse scrolling

* shared code

* nyoom

* house md

* Fixes

* Log spam

* Fixes

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Co-authored-by: metalgearsloth <metalgearsloth@gmail.com>

Resources/keybinds.yml

@@ -76,6 +76,15 @@ binds:
 - function: CameraReset
   type: State
   key: NumpadNum8
+- function: ZoomOut
+  type: State
+  key: NumpadNum4
+- function: ZoomIn
+  type: State
+  key: NumpadNum6
+- function: ResetZoom
+  type: State
+  key: NumpadNum5
 # Misc
 - function: ShowEscapeMenu
   type: State