GenAI tweaks (#22756)

* add DictAsYamlField for genai provider and runtime options

* regenerate config translations

* chat tweaks

- add page title
- scroll if near bottom
- add tool call group that dynamically updates as tool calls are made
- add bouncing loading indicator and other UI polish

* tool call grouping

web/public/locales/en/config/global.json

@@ -527,7 +527,7 @@
     },
     "roles": {
       "label": "Roles",
-      "description": "GenAI roles (tools, vision, embeddings); one provider per role."
+      "description": "GenAI roles (chat, descriptions, embeddings); one provider per role."
     },
     "provider_options": {
       "label": "Provider options",

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

@@ -1,4 +1,5 @@
 {
+  "documentTitle": "Chat - Frigate",
   "title": "Frigate Chat",
   "subtitle": "Your AI assistant for camera management and insights",
   "placeholder": "Ask anything...",