Rework Mikrotik device scanning following Unifi (#27484)

* rework device scanning, add tests

* update requirements and coverage

* fix description comments

* update tests, fix disabled entity updates

* rework device scanning, add tests

* update requirements and coverage

* fix description comments

* update tests, fix disabled entity updates

* update librouteros to 3.0.0

* fix sorting

* fix sorting 2

* revert to 2.3.0 as 3.0.0 requires code update

* fix requirements

* apply fixes

* fix tests

* update hub.py and fix tests

* fix test_hub_setup_failed

* rebased on dev and update librouteros to 3.0.0

* fixed test_config_flow

* fixed tests

* fix test_config_flow

homeassistant/generated/config_flows.py

@@ -54,6 +54,7 @@ FLOWS = [
     "luftdaten",
     "mailgun",
     "met",
+    "mikrotik",
     "mobile_app",
     "mqtt",
     "neato",