Improve audio detection debugging (#19753)

* create audio activity manager

move publishing logic out of audio detector

* dispatcher changes

* correctly publish full array of audio detections in onConnect

* frontend websocket hooks

* line graph

* debug tab and i18n

* docs

* clean up

* fix i18n key

web/public/locales/en/views/settings.json

@@ -411,6 +411,13 @@
     "debugging": "Debugging",
     "objectList": "Object List",
     "noObjects": "No objects",
+    "audio": {
+      "title": "Audio",
+      "noAudioDetections": "No audio detections",
+      "score": "score",
+      "currentRMS": "Current RMS",
+      "currentdbFS": "Current dbFS"
+    },
     "boundingBoxes": {
       "title": "Bounding boxes",
       "desc": "Show bounding boxes around tracked objects",