Add permission check to suggest pipeline tour

What does this MR do?

Checks to ensure a user has permission/feature ability to create pipelines before starting the pipeline tour/suggestion as per gitlab-org/growth/ui-ux#65 (comment 293610309)

Requirements for populating the new ci config pipeline path

• User has access to the pipelines feature
• User can create a pipeline

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