Autotracker: Basic zooming and moves with velocity estimation (#7713)

* don't zoom if camera doesn't support it

* basic zooming

* make zooming configurable

* zooming docs

* optional zooming in camera status

* Use absolute instead of relative zooming

* increase edge threshold

* zoom considering object area

* bugfixes

* catch onvif zooming errors

* relative zooming option for dahua/amcrest cams

* docs

* docs

* don't make small movements

* remove old logger statement

* fix small movements

* use enum in config for zooming

* fix formatting

* empty move queue first

* clear tracked object before waiting for stop

* use velocity estimation for movements

* docs updates

* add tests

* typos

* recalc every 50 moves

* adjust zoom based on estimate box if calibrated

* tweaks for fast objects and large movements

* use real time for calibration and add info logging

* docs updates

* remove area scale

* Add example video to docs

* zooming font header size the same as the others

* log an error if a ptz doesn't report a MoveStatus

* debug logging for onvif service capabilities

* ensure camera supports ONVIF MoveStatus

frigate/util/builtin.py

@@ -249,3 +249,15 @@ def update_yaml(data, key_path, new_value):
                 temp[last_key] = new_value
 
     return data
+
+
+def find_by_key(dictionary, target_key):
+    if target_key in dictionary:
+        return dictionary[target_key]
+    else:
+        for value in dictionary.values():
+            if isinstance(value, dict):
+                result = find_by_key(value, target_key)
+                if result is not None:
+                    return result
+    return None