runtime: use stp_module ->path instead of abbreviated ->name in messages

runtime: use stp_module ->path instead of abbreviated ->name in messages

One problem is that ->name is ambiguous, e.g. if probe wildcards
expand to different path files, but with the same basename.  That
makes e.g. relocation or unwind dbug/diagnostic messages unclear.
So we switch over to using m->path as much as possible.