### 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)

RegEx keyword_gdscript_puppetsync = RegEx("^puppetsync func");
	RegEx keyword_gdscript_master = RegEx("^master func");
	RegEx keyword_gdscript_mastersync = RegEx("^mastersync func");
	RegEx gdscript_comment = RegEx("^\\s*#");
	RegEx csharp_comment = RegEx("^\\s*\\/\\/");
	
	RegEx keyword_csharp_remote = RegEx("\\[Remote(Attribute)?(\\(\\))?\\]");
	RegEx keyword_csharp_remotesync = RegEx("\\[(Remote)?Sync(Attribute)?(\\(\\))?\\]");
	RegEx keyword_csharp_puppet = RegEx("\\[(Puppet|Slave)(Attribute)?(\\(\\))?\\]");
	RegEx keyword_csharp_puppetsync = RegEx("\\[PuppetSync(Attribute)?(\\(\\))?\\]");
	RegEx keyword_csharp_master = RegEx("\\[Master(Attribute)?(\\(\\))?\\]");
	RegEx keyword_csharp_mastersync = RegEx("\\[MasterSync(Attribute)?(\\(\\))?\\]");
	
	LocalVector<RegEx *> color_regexes;
	LocalVector<String> color_renamed;
	
	LocalVector<RegEx *> class_tscn_regexes;
	LocalVector<RegEx *> class_gd_regexes;
	LocalVector<RegEx *> class_shader_regexes;
	
	RegEx input_map_keycode = RegEx("\\b,\"((physical_)?)scancode\":(\\d+)\\b");
	LocalVector<RegEx *> class_regexes;
	RegEx class_temp_tscn = RegEx("\\bTEMP_RENAMED_CLASS.tscn\\b");
	RegEx class_temp_gd = RegEx("\\bTEMP_RENAMED_CLASS.gd\\b");
	RegEx class_temp_shader = RegEx("\\bTEMP_RENAMED_CLASS.shader\\b");
	LocalVector<String> class_temp_tscn_renames;
	LocalVector<String> class_temp_gd_renames;
	LocalVector<String> class_temp_shader_renames;
	
	LocalVector<RegEx *> enum_regexes;