Make timer for delayed jobs in environments list dynamic
### Problem After https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/22106 got merged, the timer for delayed jobs in environment list dropdown is not dynamic yet ### Solution UX has been defined already in https://gitlab.com/gitlab-org/gitlab-ce/issues/52135 > make the timer for delayed jobs in environment list dropdown dynamic (similar to https://gitlab.com/gitlab-org/gitlab-ce/issues/52135). ### What does success look like, and how can we measure that? Timer for delayed jobs in environment list dropdown is dynamic ### Links / references
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