ref(cloudflare): Adjust event mechanisms and durable object origin

[Lms24]

• Adjust the event mechanism to use the same value as the surrounding span's origin
• Adjust the durable object span origin because it didn't follow the same patter as the other origins

closes #17617

[github-actions]

node-overhead report 🧳

Note: This is a synthetic benchmark with a minimal express app and does not necessarily reflect the real-world performance impact in an application.
⚠️ Warning: Base artifact is not the latest one, because the latest workflow run is not done yet. This may lead to incorrect results. Try to re-run all tests to get up to date results.

Scenario	Requests/s	% of Baseline	Prev. Requests/s	Change %
GET Baseline	8,930	-	9,122	-2%
GET With Sentry	1,296	15%	1,273	+2%
GET With Sentry (error only)	6,096	68%	6,043	+1%
POST Baseline	1,190	-	1,190	-
POST With Sentry	528	44%	512	+3%
POST With Sentry (error only)	1,073	90%	1,055	+2%
MYSQL Baseline	3,385	-	3,327	+2%
MYSQL With Sentry	438	13%	409	+7%
MYSQL With Sentry (error only)	2,711	80%	2,697	+1%

View base workflow run