[Pytorch Edge] Fix Custom Class Parser (#72153)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/72153
Forgot that schemas can have types like foo.bar[]
Test Plan: ci and the extra files regenerated in this diff
Reviewed By: tugsbayasgalan
Differential Revision: D33928283
fbshipit-source-id: 810d25f8f7c1dd7c75e149739fc9f59c6eafe3b9
(cherry picked from commit 6fe5e8c437d1eddb600448ecf323262fc1a4c60b)
