Add time range to dashboard links

What does this MR do?

User-defined links in the dashboard yml file get rendered on the metrics dashboard as anchor elements. This MR adds the metrics dashboard's time range to the links.

Demo

https://gitlab-review-217736-add-tvu608.gitlab-review.app/root/monitor-sandbox/-/environments/1/metrics?dashboard=.gitlab%2Fdashboards%2Fmany_links.yml

Sample links for testing

few_links.yml links_with_long_titles.yml links_without_titles.yml links_without_urls.yml many_links.yml

Testing

1. Navigate to the above dashboard
2. Notice the first two links point to the monitor-sandbox dashboards.
3. Update the time range for the dashboard and navigate to the monitor-sandbox dashboards via the links
4. Observe that the time range info is passed over via the links.

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

Mentions #217736 (closed)