more component ref removal + combining server/client comps (#13178)

Co-authored-by: DrSmugleaf <DrSmugleaf@users.noreply.github.com>

Content.Server/Store/Conditions/BuyerSpeciesCondition.cs

@@ -1,4 +1,5 @@
 using Content.Server.Humanoid;
+using Content.Shared.Humanoid;
 using Content.Shared.Store;
 using Content.Shared.Humanoid.Prototypes;
 using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype.Set;

Content.Server/Store/Systems/StoreSystem.cs

@@ -8,6 +8,7 @@ using Robust.Shared.Player;
 using Robust.Shared.Prototypes;
 using System.Linq;
 using Content.Server.UserInterface;
+using Content.Shared.Stacks;
 
 namespace Content.Server.Store.Systems;