Grid Inventory (#21931)

* Grid Inventory

* oh boy we keep cracking on

* auto insertion is kinda working? gross, too!

* pieces and proper layouts

* fix the sprites

* mousing over grid pieces... finally

* dragging deez nuts all over the screen

* eek!

* dragging is 90% less horrendous

* auto-rotating

* flatten

* Rotation at last

* fix rotation and change keybind for removing items.

* rebinding and keybinding

* wow! look at that! configurable with a button! cool!

* dragging is a bit cooler, eh?

* hover insert, my beloved

* add some grids for storage, fix 1x1 storages, fix multiple inputs at once

* el navigation

* oh yeah some stuff i forgor

* more fixes and QOL stuff

* the griddening

* the last of it (yippee)

* sloth review :)

Content.Client/UserInterface/Systems/Hotbar/Widgets/HotbarGui.xaml

@@ -1,6 +1,7 @@
 <widgets:HotbarGui
     xmlns="https://spacestation14.io"
     xmlns:inventory="clr-namespace:Content.Client.UserInterface.Systems.Inventory.Controls"
+    xmlns:storage="clr-namespace:Content.Client.UserInterface.Systems.Storage.Controls"
     xmlns:hands="clr-namespace:Content.Client.UserInterface.Systems.Hands.Controls"
     xmlns:widgets="clr-namespace:Content.Client.UserInterface.Systems.Hotbar.Widgets"
     Name="HotbarInterface"
@@ -8,11 +9,21 @@
     VerticalAlignment="Bottom"
     Orientation="Vertical"
     HorizontalAlignment="Center">
-    <inventory:ItemStatusPanel
-        Name="StatusPanel"
-        Visible="False"
-        HorizontalAlignment="Center"
-    />
+    <Control HorizontalAlignment="Center">
+        <inventory:ItemStatusPanel
+            Name="StatusPanel"
+            Visible="False"
+            HorizontalAlignment="Center"
+        />
+        <BoxContainer Name="StorageContainer"
+                      Access="Public"
+                      HorizontalAlignment="Center"
+                      Margin="10">
+            <storage:StorageContainer
+                Name="StoragePanel"
+                Visible="False"/>
+        </BoxContainer>
+    </Control>
     <inventory:ItemSlotButtonContainer
         Name="InventoryHotbar"
         Access="Public"