Paper save button, back to ctrl+enter save. (#25870)

* Revert "Change keybindings for paper (#25853)"

This reverts commit 4b56996fcd.

* Add a save button to the paper editing UI instead.

Resources/keybinds.yml

@@ -371,12 +371,10 @@ binds:
 - function: TextNewline
   type: State
   key: Return
-  mod1: Shift
   canRepeat: true
 - function: TextNewline
   type: State
   key: NumpadEnter
-  mod1: Shift
   canRepeat: true
 - function: TextSubmit
   type: State
@@ -387,9 +385,11 @@ binds:
 - function: MultilineTextSubmit
   type: State
   key: Return
+  mod1: Control
 - function: MultilineTextSubmit
   type: State
   key: NumpadEnter
+  mod1: Control
 - function: TextSelectAll
   type: State
   key: A