### 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)

rename_common(RenamesMap3To4::gdscript_function_renames, reg_container.gdscript_function_regexes, source_lines);
				rename_gdscript_functions(source_lines, reg_container, true); 
				rename_common(RenamesMap3To4::project_settings_renames, reg_container.project_settings_regexes, source_lines);
				rename_gdscript_keywords(source_lines, reg_container, true);
				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(".cs")) { 
				rename_classes(source_lines, reg_container); 
				rename_common(RenamesMap3To4::csharp_function_renames, reg_container.csharp_function_regexes, source_lines);
				rename_common(RenamesMap3To4::builtin_types_renames, reg_container.builtin_types_regexes, source_lines);
				rename_common(RenamesMap3To4::csharp_properties_renames, reg_container.csharp_properties_regexes, source_lines);
				rename_common(RenamesMap3To4::csharp_signals_renames, reg_container.csharp_signal_regexes, source_lines);
				rename_csharp_functions(source_lines, reg_container);
				rename_csharp_attributes(source_lines, reg_container);
				custom_rename(source_lines, "public class ", "public partial class ");
			} else if (file_name.ends_with(".gdshader") || file_name.ends_with(".shader")) {
				rename_common(RenamesMap3To4::shaders_renames, reg_container.shaders_regexes, source_lines);
			} else if (file_name.ends_with("tres")) {
				rename_classes(source_lines, reg_container); 
				rename_common(RenamesMap3To4::shaders_renames, reg_container.shaders_regexes, source_lines);
				rename_common(RenamesMap3To4::builtin_types_renames, reg_container.builtin_types_regexes, source_lines);
				custom_rename(source_lines, "\\.shader", ".gdshader");
			} else if (file_name.ends_with("project.godot")) {
				rename_common(RenamesMap3To4::project_godot_renames, reg_container.project_godot_regexes, source_lines);
				rename_common(RenamesMap3To4::builtin_types_renames, reg_container.builtin_types_regexes, source_lines);
				rename_input_map_scancode(source_lines, reg_container);