Borgs (#18136)

* Laws

* positronic brain and PAI rewrite

* MMI

* MMI pt. 2

* borg brain transfer

* Roleban support, Borg job (WIP), the end of mind shenaniganry

* battery drain, item slot cleanup, alerts

* visuals

* fix this pt1

* fix this pt2

* Modules, Lingering Stacks, Better borg flashlight

* Start on UI, fix battery alerts, expand activation/deactivation, low movement speed on no power.

* sprotes

* no zombie borgs

* oh fuck yeah i love a good relay

* charger

* fix the tiniest of sprite issues

* adjustable names

* a functional UI????

* foobar

* more modules

* this shit for some reason

* upstream

* genericize selectable borg modules

* upstream again

* holy fucking shit

* i love christ

* proper construction

* da job

* AA borgs

* and boom more shit

* admin logs

* laws redux

* ok just do this rq

* oh boy that looks like modules

* oh shit research

* testos passo

* so much shit holy fuck

* fuckit we SHIP

* last minute snags

* should've gotten me on a better day

Content.Shared/Stacks/StackComponent.cs

@@ -34,12 +34,19 @@ namespace Content.Shared.Stacks
         [ViewVariables(VVAccess.ReadOnly)]
         public bool Unlimited { get; set; }
 
+        /// <summary>
+        /// Lingering stacks will remain present even when there are no items.
+        /// Instead, they will become transparent.
+        /// </summary>
+        [DataField("lingering"), ViewVariables(VVAccess.ReadWrite)]
+        public bool Lingering;
+
         [ViewVariables(VVAccess.ReadWrite)]
         public bool ThrowIndividually { get; set; } = false;
 
         [ViewVariables]
         public bool UiUpdateNeeded { get; set; }
-    
+
         /// <summary>
         /// Default IconLayer stack.
         /// </summary>