Adds VV attributes on some fields in surveillance camera components (#11453)

Content.Server/SurveillanceCamera/Components/SurveillanceCameraMonitorComponent.cs

@@ -5,17 +5,24 @@ namespace Content.Server.SurveillanceCamera;
 public sealed class SurveillanceCameraMonitorComponent : Component
 {
     // Currently active camera viewed by this monitor.
+    [ViewVariables]
     public EntityUid? ActiveCamera { get; set; }
+
+    [ViewVariables]
     public string ActiveCameraAddress { get; set; } = string.Empty;
 
+    [ViewVariables]
     // Last time this monitor was sent a heartbeat.
     public float LastHeartbeat { get; set; }
+
+    [ViewVariables]
     // Last time this monitor sent a heartbeat.
     public float LastHeartbeatSent { get; set; }
 
     // Next camera this monitor is trying to connect to.
     // If the monitor has connected to the camera, this
     // should be set to null.
+    [ViewVariables]
     public string? NextCameraAddress { get; set; }
 
     [ViewVariables]
@@ -23,10 +30,12 @@ public sealed class SurveillanceCameraMonitorComponent : Component
     public HashSet<EntityUid> Viewers { get; } = new();
 
     // Current active subnet.
+    [ViewVariables]
     public string ActiveSubnet { get; set; } = default!;
 
     // Known cameras in this subnet by address with name values.
     // This is cleared when the subnet is changed.
+    [ViewVariables]
     public Dictionary<string, string> KnownCameras { get; } = new();
 
     [ViewVariables]