JobWrapper: use correct fail method

if the JobWrapper.fail method is called directly exit code (etc)
are lost.

fixes galaxyproject#14206

not sure why this error popped up now, probably a change in
tool verification ..?

lib/galaxy/jobs/__init__.py

@@ -1793,7 +1793,7 @@ def fail(message=job.info, exception=None):
                     else:
                         # Prior to fail we need to set job.state
                         job.set_state(final_job_state)
-                        return self.fail(f"Job {job.id}'s output dataset(s) could not be read")
+                        return fail(f"Job {job.id}'s output dataset(s) could not be read")
 
         job_context = ExpressionContext(dict(stdout=job.stdout, stderr=job.stderr))
         if extended_metadata: