Fix the value of id_search_option in the log table when updating a dropdown field

[Lainow]

Checklist before requesting a review

Please delete options that are not relevant.

• I have performed a self-review of my code.
• I have added tests (when available) that prove my fix is effective or that my feature works.
• I have updated the CHANGELOG with a short functional description of the fix or new feature.
• This change requires a documentation update.

Description

• It fixes !41316
• Here is a brief description of what this PR does
  Fix text into the log for the dropdown fields

Screenshots (if appropriate):

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After