### 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)

#ifndef PROJECT_CONVERTER_3_TO_4_H
#define PROJECT_CONVERTER_3_TO_4_H
#ifndef DISABLE_DEPRECATED
#include "modules/modules_enabled.gen.h" 
#ifndef MODULE_REGEX_ENABLED
#include "core/error/error_macros.h"
class ProjectConverter3To4 {
public:
	ProjectConverter3To4(int, int) {}
	bool validate_conversion() {
		ERR_FAIL_V_MSG(false, "Can't validate conversion for Godot 3.x projects, because RegEx module is disabled.");
	}
	bool convert() {
		ERR_FAIL_V_MSG(false, "Can't run converter for Godot 3.x projects, because RegEx module is disabled.");
	}
};
#else 
#include "core/string/ustring.h"
#include "core/templates/local_vector.h"
#include "core/templates/vector.h"
struct SourceLine {
	String line;
	bool is_comment;
};
class RegEx;