### 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)

continue;
			} else if (chr == '=') {
				foundNextEqual = true;
				assigned_value = line.right(current_index).strip_edges();
				assigned_value = assigned_value == "true" ? "false" : "true";
			} else {
				break;
			}
		}
		if (foundNextEqual) {
			line = line.substr(0, start) + "ignore_rotation =" + assigned_value + " # reversed \"rotating\" for Camera2D";
		}
	}
	// 
	if (line.contains("OS.get_ticks_msec")) {
		line = line.replace("OS.get_ticks_msec", "Time.get_ticks_msec");
	}
	if (line.contains("OS.get_ticks_usec")) {
		line = line.replace("OS.get_ticks_usec", "Time.get_ticks_usec");
	}
	if (line.contains("OS.get_unix_time")) {
		line = line.replace("OS.get_unix_time", "Time.get_unix_time_from_system");
	}
	if (line.contains("OS.get_datetime")) {
		line = line.replace("OS.get_datetime", "Time.get_datetime_dict_from_system");
	}
	// 
	if (line.contains("OS.get_display_cutouts")) {
		line = line.replace("OS.get_display_cutouts", "DisplayServer.get_display_cutouts");
	}