Mention the new main screen switch shortcuts (#4903)

These shortcuts changed in Godot 3.3.

getting_started/first_3d_game/04.mob_scene.rst

@@ -215,7 +215,7 @@ We still have to destroy the mobs when they leave the screen. To do so, we'll
 connect our *VisibilityNotifier* node's ``screen_exited`` signal to the *Mob*.
 
 Head back to the 3D viewport by clicking on the *3D* label at the top of the
-editor. You can also press :kbd:`F2`.
+editor. You can also press :kbd:`Ctrl + F2` (:kbd:`Alt + 2` on macOS).
 
 |image8|
 

getting_started/introduction/first_look_at_the_editor.rst

@@ -98,13 +98,13 @@ There are four main screen buttons centered at the top of the editor:
 2D, 3D, Script, and AssetLib.
 
 You'll use the **2D screen** for all types of games. In addition to 2D games,
-the 2D screen is where you'll build your interfaces. Press :kbd:`F1` (or
+the 2D screen is where you'll build your interfaces. Press :kbd:`Ctrl + F1` (or
 :kbd:`Alt + 1` on macOS) to access it.
 
 .. image:: img/editor_intro_workspace_2d.png
 
 In the **3D screen**, you can work with meshes, lights, and design levels for
-3D games. Press :kbd:`F2` (:kbd:`Alt + 2` on macOS) to access it.
+3D games. Press :kbd:`Ctrl + F2` (:kbd:`Alt + 2` on macOS) to access it.
 
 .. image:: img/editor_intro_workspace_3d.png
 
@@ -117,7 +117,7 @@ options related to the 3D view.
           main screen**.
 
 The **Script screen** is a complete code editor with a debugger, rich
-auto-completion, and built-in code reference. Press :kbd:`F3` (:kbd:`Alt + 3`
+auto-completion, and built-in code reference. Press :kbd:`Ctrl + F3` (:kbd:`Alt + 3`
 on macOS) to access it.
 
 .. image:: img/editor_intro_workspace_script.png

getting_started/step_by_step/signals.rst

@@ -190,7 +190,7 @@ Let's use a different node here. Godot has a :ref:`Timer <class_Timer>` node
 that's useful to implement skill cooldown times, weapon reloading, and more.
 
 Head back to the 2D workspace. You can either click the "2D" text at the top of
-the window or press :kbd:`F2` (:kbd:`Alt + 2` on macOS).
+the window or press :kbd:`Ctrl + F2` (:kbd:`Alt + 2` on macOS).
 
 In the Scene dock, right-click on the Sprite node and add a new node. Search for
 Timer and add the corresponding node. Your scene should now look like this.

tutorials/editor/default_key_mapping.rst

@@ -23,11 +23,11 @@ General Editor Actions
 +-----------------------+-------------------------------+------------------------------+----------------------------------+
 | Action name           | Windows, Linux                | macOS                        | Editor setting                   |
 +=======================+===============================+==============================+==================================+
-| Open 2D Editor        | :kbd:`F1`                     | :kbd:`Alt + 1`               | ``editor/editor_2d``             |
+| Open 2D Editor        | :kbd:`Ctrl + F1`              | :kbd:`Alt + 1`               | ``editor/editor_2d``             |
 +-----------------------+-------------------------------+------------------------------+----------------------------------+
-| Open 3D Editor        | :kbd:`F2`                     | :kbd:`Alt + 2`               | ``editor/editor_3d``             |
+| Open 3D Editor        | :kbd:`Ctrl + F2`              | :kbd:`Alt + 2`               | ``editor/editor_3d``             |
 +-----------------------+-------------------------------+------------------------------+----------------------------------+
-| Open Script Editor    | :kbd:`F3`                     | :kbd:`Alt + 3`               | ``editor/editor_script``         |
+| Open Script Editor    | :kbd:`Ctrl + F3`              | :kbd:`Alt + 3`               | ``editor/editor_script``         |
 +-----------------------+-------------------------------+------------------------------+----------------------------------+
 | Search Help           | :kbd:`Shift + F1`             | :kbd:`Alt + Space`           | ``editor/editor_help``           |
 +-----------------------+-------------------------------+------------------------------+----------------------------------+