allow multiple calls to enableLinkTracking #17101

I am not sure if I understand the issue correctly, but I think it should be possible to call enableLinkTracking multiple times.

reported in https://forum.matomo.org/t/enablelinktracking-re-scan-dom-after-content-changes/40269

Review

• [ ] Functional review done
• [ ] Usability review done (is anything maybe unclear or think about anything that would cause people to reach out to support)
• [ ] Security review done see checklist
• [ ] Code review done
• [ ] Tests were added if useful/possible
• [ ] Reviewed for breaking changes
• [ ] Developer changelog updated if needed
• [ ] Documentation added if needed
• [ ] Existing documentation updated if needed

LGTM, would be good to have a test for it in tests/javascript/index.php

build js

👍 indeed it can be called multiple times

It would be great if someone else could create the test as I don't have a great overview over tests/javascript/index.php and not enough time to more closely look into it.

@Findus23 I reckon it's fine it wouldn't need a test and be quite hard to test actually