make sure generator outputs full path

nmdc_automation/run_process/run_import.py

@@ -108,7 +108,7 @@ def get_project_files(project_path):
     abs_project_path = os.path.abspath(project_path)
     for f in os.scandir(abs_project_path):
         if f.is_file():
-            yield f.path
+            yield os.path.join(abs_project_path, f.name)
 
 @lru_cache(maxsize=None)
 def _get_nmdc_materialized():