[JENKINS-76118] Fix toggle collapse race condition in Chrome

[MinuteHanD]

This change modifies toggle links to use data-post-href initially instead of href. JavaScript now sets the href only when the POST handler is attached, which prevents 404 errors caused by clicking buttons before scripts are fully loaded. It also resolves a Chrome-specific issue where progressive rendering made buttons clickable too early.

In Chrome, toggle collapse buttons (e.g., "Build Executor Status") can trigger 404 errors when clicked immediately
after page load. This happens because Chrome makes the buttons clickable before JavaScript finishes loading, causing GET requests instead of the required POST requests.

fix: Initially rendering links with data-post-href instead of href, making them non-clickable until JavaScript loads and moves the URL to href while attaching the POST handler. This ensures buttons only become clickable when properly configured for POST requests.

Eliminates 404 errors

See JENKINS-76118.

Testing done

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[jeromepochat]

Hi @MinuteHanD!

The initial issue is tricky to reproduce as Chrome DevTools throttling does not allow to support single request.

I tested the changes and collapse/expand is working as expected.

I didn't find other reference of toggleCollapse than the 2 fixed ones.

LGTM.

Thanks from the contribution!

[timja]

seems fine as a small change, probably better to not have this hacky link form in the first place and just use a button.

Thanks!

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/label ready-for-merge

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This PR is now ready for merge, after ~24 hours, we will merge it if there's no negative feedback.

Thanks!

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