### 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)

Vector<String> parts;
	int string_size = line.length();
	int start_part = 0; 
	int parts_counter = 0;
	char32_t previous_character = '\0';
	bool is_inside_string = false; 
	ERR_FAIL_COND_V_MSG(line.count("(") != line.count(")"), parts, vformat("Converter internal bug: substring should have equal number of open and close parentheses in line - \"%s\".", line));
	for (int current_index = 0; current_index < string_size; current_index++) {
		char32_t character = line.get(current_index);
		switch (character) {
			case '(': {
				parts_counter++;
				if (parts_counter == 1 && !is_inside_string) {
					start_part = current_index;
				}
				break;
			};
			case ')': {
				parts_counter--;
				if (parts_counter == 0 && !is_inside_string) {