Speaker detail view error

[lcduong]

There's an error when view speaker info, it keep loading

Related to https://github.com/fossasia/eventyay-video/issues/185

rootcause: session got undefined because not sync from talk component to video platform yet

solution: exclude undefined session from speaker profile view

Summary by Sourcery

This pull request addresses a bug in the speaker detail view where the page would keep loading indefinitely. The issue was caused by undefined sessions being included in the speaker's submissions. The fix involves filtering out these undefined sessions to ensure the view loads correctly.

• Bug Fixes:
  • Fixed an issue where the speaker detail view would keep loading due to undefined sessions by filtering out undefined sessions from the speaker profile view.

[sourcery-ai[bot]]

Reviewer's Guide by Sourcery

This pull request addresses an error in the speaker detail view where the page keeps loading due to undefined sessions. The solution involves modifying the sessions computed property in the item.vue file to filter out undefined sessions, ensuring that only valid sessions are processed and displayed.

File-Level Changes

Files	Changes
webapp/src/views/schedule/speakers/item.vue	Updated the sessions computed property to handle undefined sessions by adding a filter step.

---

Tips

- Trigger a new Sourcery review by commenting `@sourcery-ai review` on the pull request. - Continue your discussion with Sourcery by replying directly to review comments. - You can change your review settings at any time by accessing your [dashboard](https://app.sourcery.ai): - Enable or disable the Sourcery-generated pull request summary or reviewer's guide; - Change the review language; - You can always [contact us](mailto:support@sourcery.ai) if you have any questions or feedback.

[mariobehling]

This PR did not solve it. There is now always a string "nulltalk" in the links, e.g. https://wikimania-live.eventyay.com/schedule/speakers/nulltalk/WNSU3P/