preserve a single trailing newline when reformatting JSON files

scripts/orca_filament_lib.py

@@ -132,6 +132,7 @@ def update_profile_library(vendor="",profile_type="filament"):
                 library[profile_section] = sorted_profiles
                 f.seek(0)
                 json.dump(library, f, indent="\t", ensure_ascii=False)
+                f.write('\n')
                 f.truncate()
                 
             print(f"Profile library for {vendor} updated successfully!")
@@ -230,6 +231,7 @@ def clean_up_profile(vendor="", profile_type="", force=False):
                                 f.seek(0)
                                 ordered_profile = create_ordered_profile(_profile, ['type', 'name', 'renamed_from', 'inherits', 'from', 'setting_id', 'filament_id', 'instantiation'])
                                 json.dump(ordered_profile, f, indent="\t", ensure_ascii=False)
+                                f.write('\n')
                                 f.truncate()
                                 print(f"Updated profile: {full_path}")
                     except Exception as e:
@@ -274,6 +276,7 @@ def rename_filament_system(vendor="OrcaFilamentLibrary"):
                         if modified:
                             with open(full_path, 'w', encoding='utf-8') as f:
                                 json.dump(data, f, indent="\t", ensure_ascii=False)
+                                f.write('\n')
                             print(f"Updated {full_path}")
                             
                 except Exception as e: