### 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)

// 
	// 
	if ((line.contains(".lock") || line.contains(".unlock")) && !line.contains("mtx") && !line.contains("mutex") && !line.contains("Mutex")) {
		line = reg_container.reg_image_lock.sub(line, "false # $1.lock() # TODOConverter40, Image no longer requires locking, `false` helps to not break one line if/else, so it can freely be removed", true);
		line = reg_container.reg_image_unlock.sub(line, "false # $1.unlock() # TODOConverter40, Image no longer requires locking, `false` helps to not break one line if/else, so it can freely be removed", true);
	}
	// 
	if (line.contains(".join")) {
		line = reg_container.reg_join.sub(line, "$2.join($1)", true);
	}
	// 
	if (line.contains("empty")) {
		line = reg_container.reg_is_empty.sub(line, "is_empty(", true);
	}
	// 
	if (line.contains("(") && line.contains(".")) {
		line = reg_container.reg_super.sub(line, "$1super.$2", true); // 
	}
	// 
	if (line.contains("parse")) {
		line = reg_container.reg_json_non_new.sub(line, "$1var test_json_conv = JSON.new()\n$1test_json_conv.parse($3\n$1$2test_json_conv.get_data()", true);
	}
	// 
	if (line.contains("to_json")) {