### 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)

uint64_t file_size = file_content_before.size();
		print_line(vformat("Trying to convert\t%d/%d file - \"%s\" with size - %d KB", i + 1, collected_files.size(), file_name.trim_prefix("res://"), file_size / 1024));
		Vector<String> reason;
		bool is_ignored = false;
		uint64_t start_time = Time::get_singleton()->get_ticks_msec();
		if (file_name.ends_with(".shader")) {
			DirAccess::remove_file_or_error(file_name.trim_prefix("res://"));
			file_name = file_name.replace(".shader", ".gdshader");
		}
		if (file_size < uint64_t(maximum_file_size)) {
			
			if (file_name.ends_with(".gd")) {
				fix_tool_declaration(source_lines, reg_container);
				rename_classes(source_lines, reg_container); 
				rename_common(RenamesMap3To4::enum_renames, reg_container.enum_regexes, source_lines);
				rename_colors(source_lines, reg_container); 
				rename_common(RenamesMap3To4::gdscript_function_renames, reg_container.gdscript_function_regexes, source_lines);
				rename_gdscript_functions(source_lines, reg_container, false); 
				rename_common(RenamesMap3To4::project_settings_renames, reg_container.project_settings_regexes, source_lines);
				rename_gdscript_keywords(source_lines, reg_container, false);
				rename_common(RenamesMap3To4::gdscript_properties_renames, reg_container.gdscript_properties_regexes, source_lines);
				rename_common(RenamesMap3To4::gdscript_signals_renames, reg_container.gdscript_signals_regexes, source_lines);
				rename_common(RenamesMap3To4::shaders_renames, reg_container.shaders_regexes, source_lines);
				rename_common(RenamesMap3To4::builtin_types_renames, reg_container.builtin_types_regexes, source_lines);
				rename_common(RenamesMap3To4::theme_override_renames, reg_container.theme_override_regexes, source_lines);
				custom_rename(source_lines, "\\.shader", ".gdshader");
			} else if (file_name.ends_with(".tscn")) {
				rename_classes(source_lines, reg_container); 
				rename_common(RenamesMap3To4::enum_renames, reg_container.enum_regexes, source_lines);
				rename_colors(source_lines, reg_container);