Fix bash issues in osx_cc_wrapper.sh.tpl

[elliottt]

This PR fixes two issues with the osx_cc_wrapper.sh.tpl and cc_wrapper.sh.tpl templates:

1. (Both files) The condition for entering the loop to process parameter files included -r ${i:1}, which was checking the loop index value, not the argument that corresponds to the name of the parameter file. This was changed to -r ${!i:1}.
2. (Only osx_cc_wrapper.sh.tpl) The temporary file was being appended to with the result of parse_option, which doesn't return any value, resulting in the tempfile being empty. This was changed to run parse_option "${opt}" separately from appending the option to the file, ensuring that the temporary file is being populated with the sanitized commands.

The first fix addresses the issue of arguments in the param files not being sanitized, while the second addresses the issue of the sanitized arguments in the parameter file not being passed through.

[helly25]

The linter is unhappy. Just follow the instructions of the failed PR check.

[fmeum]

Please fix the lint finding

[elliottt]

@helly25, I believe I've fixed the formatting issue.