Reimplement "Improve environments and operations dashboards"
Description
This MR !142747 (merged) had to be reverted because of [Bug] "Add projects" button in `/-/operations/e... (#442829 - closed). Let's fix up and reintroduce the original MR.
This MR !142747 (merged) had to be reverted because of [Bug] "Add projects" button in `/-/operations/e... (#442829 - closed). Let's fix up and reintroduce the original MR.