Add mapping editor (#23427)

* Add mapping editor (#757)

* Remove mapping actions, never again

* Cleanup actions system

* Jarvis, remove all references to CM14

* Fix InventoryUIController crashing when an InventoryGui is not found

* Rename mapping1 to mapping

* Clean up context calls

* Add doc comments

* Add delegate for hiding decals in the mapping screen

* Jarvis mission failed

* a

* Add test

* Fix not flushing save stream in mapping manager

* change

* Fix verbs

* fixes

* localise

---------

Co-authored-by: DrSmugleaf <DrSmugleaf@users.noreply.github.com>
Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>
Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>
Co-authored-by: Pieter-Jan Briers <pieterjan.briers+git@gmail.com>

Content.Client/Mapping/MappingSpawnButton.xaml

@@ -0,0 +1,26 @@
+<mapping:MappingSpawnButton
+    xmlns="https://spacestation14.io"
+    xmlns:mapping="clr-namespace:Content.Client.Mapping">
+    <BoxContainer Orientation="Vertical">
+        <Control>
+            <Button Name="Button" Access="Public" ToggleMode="True" StyleClasses="ButtonSquare" />
+            <BoxContainer Orientation="Horizontal">
+                <LayeredTextureRect Name="Texture" Access="Public" MinSize="48 48"
+                                    HorizontalAlignment="Center" VerticalAlignment="Center"
+                                    Stretch="KeepAspectCentered" CanShrink="True" />
+                <Control SetSize="48 48" Access="Public" Name="CollapseButtonWrapper">
+                    <Button Name="CollapseButton" Access="Public" Text="▶"
+                            ToggleMode="True" StyleClasses="ButtonSquare" SetSize="48 48" />
+                </Control>
+                <Label Name="Label" Access="Public"
+                       VAlign="Center"
+                       VerticalExpand="True"
+                       MinHeight="48"
+                       Margin="5 0"
+                       HorizontalExpand="True" ClipText="True" />
+            </BoxContainer>
+        </Control>
+        <BoxContainer Name="ChildrenPrototypes" Access="Public" Orientation="Vertical"
+                      Margin="24 0 0 0" />
+    </BoxContainer>
+</mapping:MappingSpawnButton>