Handle missing keys in sentry api response

What does this MR do?

Sentry v8.x does not include the project ID in the API response.

Changes made by this MR:

• Do not fail when attributes that the FE can do without are missing from the Sentry API response.
• If essential attributes are missing from the response, return an error.

What are the relevant issue numbers?

#58971 (closed)

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated via this MR
• Documentation reviewed by technical writer or follow-up review issue created
• Tests added for this feature/bug
• Tested in all supported browsers
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• Conforms to the database guides
• Link to e2e tests MR added if this MR has Requires e2e tests label. See the Test Planning Process.
• Security reports checked/validated by reviewer

Closes #58971 (closed)