Task/fix nightvision huds (#26726)

* StatusIcon: add field to set if icon should be rendered with shading

* set/unset shader based on icon field

* set new field to true for hud icons

* re-shade health bars

Content.Client/StatusIcon/StatusIconOverlay.cs

@@ -3,9 +3,9 @@ using Content.Shared.StatusIcon.Components;
 using Robust.Client.GameObjects;
 using Robust.Client.Graphics;
 using Robust.Shared.Enums;
-using System.Numerics;
 using Robust.Shared.Prototypes;
 using Robust.Shared.Timing;
+using System.Numerics;
 
 namespace Content.Client.StatusIcon;
 
@@ -18,7 +18,7 @@ public sealed class StatusIconOverlay : Overlay
     private readonly SpriteSystem _sprite;
     private readonly TransformSystem _transform;
     private readonly StatusIconSystem _statusIcon;
-    private readonly ShaderInstance _shader;
+    private readonly ShaderInstance _unshadedShader;
 
     public override OverlaySpace Space => OverlaySpace.WorldSpaceBelowFOV;
 
@@ -29,7 +29,7 @@ public sealed class StatusIconOverlay : Overlay
         _sprite = _entity.System<SpriteSystem>();
         _transform = _entity.System<TransformSystem>();
         _statusIcon = _entity.System<StatusIconSystem>();
-        _shader = _prototype.Index<ShaderPrototype>("unshaded").Instance();
+        _unshadedShader = _prototype.Index<ShaderPrototype>("unshaded").Instance();
     }
 
     protected override void Draw(in OverlayDrawArgs args)
@@ -42,8 +42,6 @@ public sealed class StatusIconOverlay : Overlay
         var scaleMatrix = Matrix3.CreateScale(new Vector2(1, 1));
         var rotationMatrix = Matrix3.CreateRotation(-eyeRot);
 
-        handle.UseShader(_shader);
-
         var query = _entity.AllEntityQueryEnumerator<StatusIconComponent, SpriteComponent, TransformComponent, MetaDataComponent>();
         while (query.MoveNext(out var uid, out var comp, out var sprite, out var xform, out var meta))
         {
@@ -111,11 +109,16 @@ public sealed class StatusIconOverlay : Overlay
 
                 }
 
+                if (proto.IsShaded)
+                    handle.UseShader(null);
+                else
+                    handle.UseShader(_unshadedShader);
+
                 var position = new Vector2(xOffset, yOffset);
                 handle.DrawTexture(texture, position);
             }
-        }
 
-        handle.UseShader(null);
+            handle.UseShader(null);
+        }
     }
 }