Move recording management to separate process (#6248)

* Move recordings management to own process and ensure db multiprocess access

* remove reference to old threads

* Cleanup directory remover

* Mypy fixes

* Fix mypy

* Add support back for setting record via MQTT and WS

* Formatting

* Fix rebase issue

frigate/types.py

@@ -24,6 +24,10 @@ class CameraMetricsTypes(TypedDict):
     skipped_fps: Synchronized
 
 
+class RecordMetricsTypes(TypedDict):
+    record_enabled: Synchronized
+
+
 class StatsTrackingTypes(TypedDict):
     camera_metrics: dict[str, CameraMetricsTypes]
     detectors: dict[str, ObjectDetectProcess]