Allow vulnerability selection in project dashboard

What does this MR do?

Allow vulnerability selection in project dashboard

• add selection summary component to vulnerability list so that a user can dismiss multiple vulnerabilities
• add additional checkbox column to table for vulnerability selection and local state/computed/methods to assist with that
• conditionally allow selection of vulnerabilities per props passed into the vulnerability list component
• add tests

Screenshots

Old: Like the new but without check boxes

New selection_summary_-_new

See more in !29288 (merged)

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

Related to: #213598 (closed)

Depends on: !29150 (merged), !29288 (merged)