Fix passing filter params to VSA time summary

What does this MR do?

This MR fixes a bug where the issuable filter params were ignored when loading the stage summary.

How to reproduce it:

• Enable value_stream_analytics_filter_bar feature flag
• Seed VSA: FILTER=cycle_analytics SEED_CYCLE_ANALYTICS=1 bundle exec rake db:seed_fu
• Head to the created group / Analytics / Value Stream
• In the filter select an author
• Notice that the counts on top are not changing (lead time and cycle time)

Screenshots

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers
• Informed Infrastructure department of a default or new setting change, if applicable per definition of done

Security

If this MR contains changes to processing or storing of credentials or tokens, authorization and authentication methods and other items described in the security review guidelines:

• Label as security and @ mention @gitlab-com/gl-security/appsec
• The MR includes necessary changes to maintain consistency between UI, API, email, or other methods
• Security reports checked/validated by a reviewer from the AppSec team