use search_url or geter method based on polylang version

[mostafa-hisham]

Description

Please include a summary of the change and which issue is fixed/closed. Please also include relevant motivation and context. List any dependencies that are required for this change.

Fixes #5967

Type of change

• Enhancement (non-breaking change which improves an existing functionality)

Is the solution different from the one proposed during the grooming?

No

How Has This Been Tested?

• locally

Checklist:

Please delete the options that are not relevant.

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[vmanthos]

Working as expected. 👍

NOTE

Issue, on trunk as well, discovered during testing for the current PR:
#6094