Use new ComponentPauseGenerator (#25183)

Also includes some (non critical) changes to the solution file to re-organize the Roslyn components.

Content.Shared/Construction/Components/FlatpackCreatorComponent.cs

@@ -11,7 +11,7 @@ namespace Content.Shared.Construction.Components;
 /// </summary>
 [RegisterComponent, NetworkedComponent]
 [Access(typeof(SharedFlatpackSystem))]
-[AutoGenerateComponentState]
+[AutoGenerateComponentState, AutoGenerateComponentPause]
 public sealed partial class FlatpackCreatorComponent : Component
 {
     /// <summary>
@@ -26,6 +26,7 @@ public sealed partial class FlatpackCreatorComponent : Component
     /// </summary>
     [DataField(customTypeSerializer: typeof(TimeOffsetSerializer)), ViewVariables(VVAccess.ReadWrite)]
     [AutoNetworkedField]
+    [AutoPausedField]
     public TimeSpan PackEndTime;
 
     /// <summary>

Content.Shared/Construction/SharedFlatpackSystem.cs

@@ -40,7 +40,6 @@ public abstract class SharedFlatpackSystem : EntitySystem
         SubscribeLocalEvent<FlatpackComponent, ExaminedEvent>(OnFlatpackExamined);
 
         SubscribeLocalEvent<FlatpackCreatorComponent, ContainerIsRemovingAttemptEvent>(OnCreatorRemovingAttempt);
-        SubscribeLocalEvent<FlatpackCreatorComponent, EntityUnpausedEvent>(OnCreatorUnpaused);
     }
 
     private void OnFlatpackInteractUsing(Entity<FlatpackComponent> ent, ref InteractUsingEvent args)
@@ -110,11 +109,6 @@ public abstract class SharedFlatpackSystem : EntitySystem
             args.Cancel();
     }
 
-    private void OnCreatorUnpaused(Entity<FlatpackCreatorComponent> ent, ref EntityUnpausedEvent args)
-    {
-        ent.Comp.PackEndTime += args.PausedTime;
-    }
-
     public void SetupFlatpack(Entity<FlatpackComponent?> ent, EntityUid? board)
     {
         if (!Resolve(ent, ref ent.Comp))