### Godot version

v4.0.3.rc2.official [2ac4e3bb3]

### System information

Windows 10

### Issue description

It seems that joypad button numbers are changed in Godot 4. The Godot 3->4 conversion doesn't change the button numbers.

This Godot 3 Input Map:

![kuva](https://github.com/godotengine/godot/assets/49998025/86a7db2a-b5b5-48a3-84f9-999de1ed584a)

is converted to this:

![kuva](https://github.com/godotengine/godot/assets/49998025/30ef5803-0559-4408-b0ac-e878bf167ff7)

It seems that only buttons 0-3 are same in Godot 3 and 4:

![kuva](https://github.com/godotengine/godot/assets/49998025/37818929-9582-4a11-bdbe-617fd51dd501)


### Steps to reproduce

Convert any Godot 3 project having joypad buttons assigned to inputs.

### Minimal reproduction project

[conv_test.zip](https://github.com/godotengine/godot/files/11525027/conv_test.zip)

line = reg_container.reg_setget_set.sub(line, "var $1$2: set = $3", true);
	}
	// 
	if (line.contains("setget")) {
		line = reg_container.reg_setget_get.sub(line, "var $1$2: get = $3", true);
	}
	if (line.contains("window_resizable")) {
		// 
		line = reg_container.reg_os_set_window_resizable.sub(line, "get_window().unresizable = not ($1)", true);
		// 
		line = reg_container.reg_os_assign_window_resizable.sub(line, "get_window().unresizable = not ($1)", true);
		// 
		line = reg_container.reg_os_is_window_resizable.sub(line, "(not get_window().unresizable)", true);
	}
	if (line.contains("window_fullscreen")) {
		// 
		line = reg_container.reg_os_set_fullscreen.sub(line, "get_window().mode = Window.MODE_EXCLUSIVE_FULLSCREEN if ($1) else Window.MODE_WINDOWED", true);
		// 
		line = reg_container.reg_os_assign_fullscreen.sub(line, "get_window().mode = Window.MODE_EXCLUSIVE_FULLSCREEN if ($1) else Window.MODE_WINDOWED", true);
		// 
		line = reg_container.reg_os_is_fullscreen.sub(line, "((get_window().mode == Window.MODE_EXCLUSIVE_FULLSCREEN) or (get_window().mode == Window.MODE_FULLSCREEN))", true);
	}
	if (line.contains("window_maximized")) {
		// 
		line = reg_container.reg_os_set_maximized.sub(line, "get_window().mode = Window.MODE_MAXIMIZED if ($1) else Window.MODE_WINDOWED", true);
		// 
		line = reg_container.reg_os_assign_maximized.sub(line, "get_window().mode = Window.MODE_MAXIMIZED if ($1) else Window.MODE_WINDOWED", true);
		// 
		line = reg_container.reg_os_is_maximized.sub(line, "(get_window().mode == Window.MODE_MAXIMIZED)", true);
	}