Implemented storage update interval at the UI side (#1706)

* Minor refactoring for #1699

* Implemented storage update interval for the UI

* Revert "Implemented storage update interval for the UI"

This reverts commit 977ff2f5518d420e35cadad17054f4e69c260df1.

* Revert "Minor refactoring for #1699"

This reverts commit 923f6d6f636a2a10ff44b8c23f84e8985ccbf667.

* Made update interval configurable for storage devices

* Changed label text m to min for consistency

* Revised 8e6c669 as requested

* ATA Update interval defaults to 1s in the UI

* Simplified storage update interval menu