only rename aslcontext if its an asl scan being renamed

Author: singlesp

cubids/cubids.py

@@ -702,7 +702,8 @@ def change_filename(self, filepath, entities):
             self.new_filenames.append(new_physio)
 
         # Update ASL-specific files
-        if "/perf/" in filepath:
+        # Only rename ASLContext and labeling files when the ASL time series is being renamed.
+        if "/perf/" in filepath and old_suffix == "asl":
             old_context = filepath.replace(scan_end, "_aslcontext.tsv")
             if Path(old_context).exists():
                 self.old_filenames.append(old_context)