The new content to replace the existing content of the
object.
This code defines a function named editObject that is
used to edit an object in a JSON file.
It checks if the file exists, reads the JSON content,
finds the object with the specified ID, merges the
existing content with the new content, replaces the
existing object with the new object, and writes the
updated content back to the JSON file.
Edits an object in a JSON file.