Move PaperSystem to Shared (#30592)

* Fix paper system late localization

* IS THIS WHAT YOU WANT

* well I guess this is happening now

* fix the BUI

* did that even do anything before?

* again with the escapeformatting...

* Dirtying

* Move dirty to function

* Rename PaperSystem to PaperVisualizerSystem

* Fix namespace

* how many namespace changes must I suffer through

* SetContent is for Setting Content

* minor shuffling

* review

---------

Co-authored-by: plykiya <plykiya@protonmail.com>
Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Client/Paper/UI/PaperWindow.xaml.cs

@@ -215,9 +215,9 @@ namespace Content.Client.Paper.UI
         ///     Initialize the paper contents, i.e. the text typed by the
         ///     user and any stamps that have peen put on the page.
         /// </summary>
-        public void Populate(SharedPaperComponent.PaperBoundUserInterfaceState state)
+        public void Populate(PaperComponent.PaperBoundUserInterfaceState state)
         {
-            bool isEditing = state.Mode == SharedPaperComponent.PaperAction.Write;
+            bool isEditing = state.Mode == PaperComponent.PaperAction.Write;
             bool wasEditing = InputContainer.Visible;
             InputContainer.Visible = isEditing;
             EditButtons.Visible = isEditing;