Loadouts redux (#25715)

* Loadouts redux

* Loadout window mockup

* More workout

* rent

* validation

* Developments

* bcs

* More cleanup

* Rebuild working

* Fix model and loading

* obsession

* efcore

* We got a stew goin

* Cleanup

* Optional + SeniorEngineering fix

* Fixes

* Update science.yml

* add

add

* Automatic naming

* Update nukeops

* Coming together

* Right now

* stargate

* rejig the UI

* weh

* Loadouts tweaks

* Merge conflicts + ordering fix

* yerba mate

* chocolat

* More updates

* Add multi-selection support

* test

h

* fikss

* a

* add tech assistant and hazard suit

* huh

* Latest changes

* add medical loadouts

* and science

* finish security loadouts

* cargo

* service done

* added wildcards

* add command

* Move restrictions

* Finalising

* Fix existing work

* Localise next batch

* clothing fix

* Fix storage names

* review

* the scooping room

* Test fixes

* Xamlify

* Xamlify this too

* Update Resources/Prototypes/Loadouts/Jobs/Medical/paramedic.yml

Co-authored-by: Mr. 27 <45323883+Dutch-VanDerLinde@users.noreply.github.com>

* Update Resources/Prototypes/Loadouts/loadout_groups.yml

Co-authored-by: Mr. 27 <45323883+Dutch-VanDerLinde@users.noreply.github.com>

* Update Resources/Prototypes/Loadouts/Jobs/Civilian/clown.yml

Co-authored-by: Mr. 27 <45323883+Dutch-VanDerLinde@users.noreply.github.com>

* Update Resources/Prototypes/Loadouts/Jobs/Civilian/clown.yml

Co-authored-by: Mr. 27 <45323883+Dutch-VanDerLinde@users.noreply.github.com>

* Update Resources/Prototypes/Loadouts/loadout_groups.yml

Co-authored-by: Mr. 27 <45323883+Dutch-VanDerLinde@users.noreply.github.com>

* Update Resources/Prototypes/Loadouts/Jobs/Security/detective.yml

Co-authored-by: Mr. 27 <45323883+Dutch-VanDerLinde@users.noreply.github.com>

* Update Resources/Prototypes/Loadouts/loadout_groups.yml

Co-authored-by: Mr. 27 <45323883+Dutch-VanDerLinde@users.noreply.github.com>

* ben

* Margins

---------

Co-authored-by: Firewatch <54725557+musicmanvr@users.noreply.github.com>
Co-authored-by: Mr. 27 <koolthunder019@gmail.com>
Co-authored-by: Mr. 27 <45323883+Dutch-VanDerLinde@users.noreply.github.com>

Content.Shared/Preferences/Loadouts/Effects/LoadoutEffect.cs

@@ -0,0 +1,20 @@
+using System.Diagnostics.CodeAnalysis;
+using Robust.Shared.Player;
+using Robust.Shared.Utility;
+
+namespace Content.Shared.Preferences.Loadouts.Effects;
+
+[ImplicitDataDefinitionForInheritors]
+public abstract partial class LoadoutEffect
+{
+    /// <summary>
+    /// Tries to validate the effect.
+    /// </summary>
+    public abstract bool Validate(
+        RoleLoadout loadout,
+        ICommonSession session,
+        IDependencyCollection collection,
+        [NotNullWhen(false)] out FormattedMessage? reason);
+
+    public virtual void Apply(RoleLoadout loadout) {}
+}