More storage tweaks (#25970)

- Fix some prediction stuff.
- Fix some jank.
- UseDelay.
- Cap.

Content.Shared/Storage/StorageComponent.cs

@@ -60,6 +60,11 @@ namespace Content.Shared.Storage
         [DataField]
         public bool ClickInsert = true; // Can insert stuff by clicking the storage entity with it
 
+        /// <summary>
+        /// How many entities area pickup can pickup at once.
+        /// </summary>
+        public const int AreaPickupLimit = 10;
+
         [DataField]
         public bool AreaInsert; // Clicking with the storage entity causes it to insert all nearby storables after a delay