Add the Play button for delayed jobs in environment page

What does this MR do?

Add dropdown with scheduled job actions to environments list.

What are the relevant issue numbers?

Close https://gitlab.com/gitlab-org/gitlab-ce/issues/52129

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• [-] Documentation created/updated => https://gitlab.com/gitlab-org/gitlab-ce/issues/52127
• Tests added for this feature/bug
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• Conforms to the database guides