Fix `recursive_store` for smaller elementSize (#100902)
<!--
copilot:summary
-->
### <samp>🤖 Generated by Copilot at 8cbc54f</samp>
Add support for symbolic integers of different sizes in `tensor_new.cpp`. Use a switch statement to cast them to the appropriate fixed-width integer type.
Fixes crash reported in https://github.com/pytorch/pytorch/issues/100455
Pull Request resolved: https://github.com/pytorch/pytorch/pull/100902
Approved by: https://github.com/ngimel
