* refactor: remove a few uses of native_mate/gfx_converter.h
* refactor: deprecate mate::EventEmitter
* refactor: add gin_helper::EventEmitter
* refactor: convert a few classes to use gin_helper::EventEmitter
* refactor: get rid of native_mate_converters/gfx_converter.h
* fix: follow native_mate on reporting errors
* fix: gin is weak at guessing parameter types
* fix: incorrect full class name
* fix: gin::Handle does not accept null
* deprecate native_mate/native_mate/object_template_builder.h
* add gin_helper/object_template_builder.h
* add patch to avoid ambiguous error
* remove usage of object_template_builder_deprecated.h in a few files
* add note we should remove gin_helper/object_template_builder.h in future
