Admin Tool: Observe entities in an extra viewport (#36969)

* camera

* add console command

* change verb name to camera

* placeholder text

* add button to player panel

* orks are indeed the best

* visibility flag fix

* not a datafield

* more follower fixes

* more cleanup

* add zooming

* resizing real

* remove commented out code

* remove AddForceSend

* comment

* Use OS window and add some comments

* fix comments and variable name

* Needs RT update

* Minor grammarchange

* Fix warning

* Cleanup

* almost working...

* fix bug

* oswindow update

* Remove need for RequestClosed.

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Co-authored-by: beck-thompson <beck314159@hotmail.com>
Co-authored-by: PJB3005 <pieterjan.briers+git@gmail.com>

Resources/Prototypes/Entities/Interface/admin_tools.yml

@@ -0,0 +1,14 @@
+# dummy entity for the admin camera EUI
+# this gets parented to the person being observed
+
+- type: entity
+  id: AdminCamera
+  categories: [ HideSpawnMenu ]
+  name: admin camera
+  description: We are watching you.
+  components:
+  - type: Visibility
+    layer: 8 # Don't network this to anyone so cheat clients can't see it. We are adding a PVS override to the user.
+  - type: Eye # for the camera itself
+    drawFov: false
+    pvsScale: 0.8 # we don't need the full range