### 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_os_set_borderless.sub(line, "get_window().borderless = ($1)", true);
		// 
		line = reg_container.reg_os_get_borderless.sub(line, "get_window().borderless", true);
	}
	// 
	if (line.contains("OS.SCREEN_ORIENTATION_")) {
		line = reg_container.reg_os_screen_orient_enum.sub(line, "DisplayServer.SCREEN_$1", true);
	}
	// 
	if (line.contains("current_screen")) {
		line = reg_container.reg_os_current_screen.sub(line, "get_window().$1current_screen", true);
	}
	if (line.contains("min_window_size")) {
		line = reg_container.reg_os_min_window_size.sub(line, "get_window().$1min_size", true);
	}
	if (line.contains("max_window_size")) {
		line = reg_container.reg_os_max_window_size.sub(line, "get_window().$1max_size", true);
	}
	if (line.contains("window_position")) {
		line = reg_container.reg_os_window_position.sub(line, "get_window().$1position", true);
	}
	if (line.contains("window_size")) {
		line = reg_container.reg_os_window_size.sub(line, "get_window().$1size", true);
	}
	if (line.contains("et_screen_orientation")) {
		line = reg_container.reg_os_getset_screen_orient.sub(line, "DisplayServer.screen_$1et_orientation", true);
	}
	// 
	if (contains_function_call(line, "instance")) {