What happened?

Description

I have over 1,000 entries in a section, with the same entries translated into other languages in a multisite setup. For a button, I use a link field. To support multi-language translation, I changed the Translation Method to 'Translate for each site.'

When I tested it by adding a new entry, it worked as expected. For example:

New Entry URL:
Global site: abc.com
French site: abc.com/fr
However, for older entries, the change doesn't reflect. Instead, I get:

Old Entry URL:
Global site: abc.com
French site: abc.com (instead of abc.com/fr).

Steps to reproduce

Add a link field without setting any translation method initially. Add an entry, and after saving, change the translation method.

Expected behavior

Global site: abc.com
French site: abc.com/fr

Actual behavior

Global site: abc.com
French site: abc.com

Craft CMS version

5.5.1.1

PHP version

8.3.14

Operating system and version

No response

Database type and version

No response

Image driver and version

No response

Installed plugins and versions