Refactor gateway connection status handling in the Console

[bafonins]

Summary

We should refactor gateway connection status handling.

Why do we need this?

Define gateway connection handling an reuse it in place where its needed.

What is already there? What do you see now?

1. Gateways table uses the status field in the gateway object
2. Gateways middleware duplicates this logic when fetching gateway status

What is missing? What do you want to see?

No duplication

Environment

v3.7.2

How do you propose to implement this?

tba

Can you do this yourself and submit a Pull Request?

yes