Enable event snapshot API to honour query params after event ends (#22375)

* Enable event snapshot API to honour query params

* fix unused imports

* Fixes

* Run ruff check --fix

* Web changes

* Further config and web fixes

* Further docs tweak

* Fix missing quality default in MediaEventsSnapshotQueryParams

* Manual events: don't save annotated jpeg; store frame time

* Remove unnecessary grayscale helper

* Add caveat to docs on snapshot_frame_time pre-0.18

* JPG snapshot should not be treated as clean

* Ensure tracked details uses uncropped, bbox'd snapshot

* Ensure all UI pages / menu actions use uncropped, bbox'd

* web lint

* Add missed config helper text

* Expect  SnapshotsConfig not Any

* docs: Remove pre-0.18 note

* Specify timestamp=0 in the UI

* Move tests out of http media

* Correct missed settings.json wording

Co-authored-by: Josh Hawkins <32435876+hawkeye217@users.noreply.github.com>

* Revert to default None for quality

* Correct camera snapshot config wording

Co-authored-by: Josh Hawkins <32435876+hawkeye217@users.noreply.github.com>

* Fix quality=0 handling

Co-authored-by: Josh Hawkins <32435876+hawkeye217@users.noreply.github.com>

* Fix quality=0 handling #2

Co-authored-by: Josh Hawkins <32435876+hawkeye217@users.noreply.github.com>

* ReRun generate_config_translations

---------

Co-authored-by: leccelecce <example@example.com>
Co-authored-by: Josh Hawkins <32435876+hawkeye217@users.noreply.github.com>

frigate/util/config.py

@@ -586,6 +586,23 @@ def migrate_018_0(config: dict[str, dict[str, Any]]) -> dict[str, dict[str, Any]
 
         new_config["cameras"][name] = camera_config
 
+    # Remove deprecated clean_copy from global snapshots config
+    if new_config.get("snapshots", {}).get("clean_copy") is not None:
+        del new_config["snapshots"]["clean_copy"]
+        if not new_config["snapshots"]:
+            del new_config["snapshots"]
+
+    # Remove deprecated clean_copy from camera snapshots configs
+    for name, camera in new_config.get("cameras", {}).items():
+        camera_config: dict[str, dict[str, Any]] = camera.copy()
+
+        if camera_config.get("snapshots", {}).get("clean_copy") is not None:
+            del camera_config["snapshots"]["clean_copy"]
+            if not camera_config["snapshots"]:
+                del camera_config["snapshots"]
+
+        new_config["cameras"][name] = camera_config
+
     new_config["version"] = "0.18-0"
     return new_config