Clarify joypad features being supported on iOS

This PR clarifies that the advanced joypad features (LED, motion sensors, etc) are now supported on iOS as well.

Author: Nintorch

tutorials/inputs/controller_features.rst

@@ -9,7 +9,7 @@ and how you can get started with them in Godot.
 
 .. warning::
 
-    These controller features are currently only supported on Windows, macOS, and Linux.
+    These controller features are currently only supported on Windows, macOS, iOS, and Linux.
 
 
 .. warning::

tutorials/inputs/controllers_gamepads_joysticks.rst

@@ -13,11 +13,12 @@ Controllers are supported on Windows, macOS, Linux, Android, iOS, and Web.
     supported controllers and their behavior should closely match what is available
     in other games and engines using SDL 3. Note that SDL is only used for input,
     not for windowing or sound.
+    Since Godot 4.7, SDL 3 is also used for controller support on iOS.
 
     Prior to Godot 4.5, the engine used its own controller support code.
     This can cause certain controllers to behave incorrectly.
-    This custom code is still used to support controllers on Android, iOS,
-    and Web, so it may result in issues appearing only on those platforms.
+    This custom code is still used to support controllers on Android and Web,
+    so it may result in issues appearing only on those platforms.
 
 Note that more specialized devices such as steering wheels, rudder pedals and
 `HOTAS <https://en.wikipedia.org/wiki/HOTAS>`__ are less tested and may not
@@ -363,8 +364,8 @@ Controllers can still work without udev support, but it is less reliable as
 regular polling must be used to check for controllers being connected or
 disconnected during gameplay (hotplugging).
 
-Android/iOS
-^^^^^^^^^^^
+Android
+^^^^^^^
 
 As described at the top of the page, controller support on mobile platforms relies
 on a custom implementation instead of using SDL for input. This means controller