Cherrypicks 5 (#440)

* Chances of triggering effects (#27056)

* electrocution

* slippery

* flashibg

* Update SlipperyComponent.cs

* Update SlipperySystem.cs

* Flash buff (#25730)

* flash buff

* oops!

* bool

* 3 -> 1.5 seconds

* okay fix

* sluth

* Flash overlay rework and bugfixes (#27369)

* fix mapping door access (#27784)

Co-authored-by: deltanedas <@deltanedas:kde.org>

* - fix: Errors.

* - fix: Incorporeal.

---------

Co-authored-by: Ed <96445749+TheShuEd@users.noreply.github.com>
Co-authored-by: Nemanja <98561806+EmoGarbage404@users.noreply.github.com>
Co-authored-by: slarticodefast <161409025+slarticodefast@users.noreply.github.com>
Co-authored-by: deltanedas <39013340+deltanedas@users.noreply.github.com>

Content.Server/Flash/Components/FlashImmunityComponent.cs

@@ -1,10 +1,13 @@
-namespace Content.Server.Flash.Components
+namespace Content.Server.Flash.Components;
+
+/// <summary>
+///     Makes the entity immune to being flashed.
+///     When given to clothes in the "head", "eyes" or "mask" slot it protects the wearer.
+/// </summary>
+[RegisterComponent, Access(typeof(FlashSystem))]
+public sealed partial class FlashImmunityComponent : Component
 {
-    [RegisterComponent, Access(typeof(FlashSystem))]
-    public sealed partial class FlashImmunityComponent : Component
-    {
-        [ViewVariables(VVAccess.ReadWrite)]
-        [DataField("enabled")]
-        public bool Enabled { get; set; } = true;
-    }
+    [ViewVariables(VVAccess.ReadWrite)]
+    [DataField("enabled")]
+    public bool Enabled { get; set; } = true;
 }