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/src/components/chat/ChatStartingState.tsx

@@ -75,7 +75,7 @@ export function ChatStartingState({ onSendMessage }: ChatStartingStateProps) {
         </div>
       </div>
 
-      <div className="flex w-full max-w-2xl flex-row items-center gap-2 rounded-xl bg-secondary p-4">
+      <div className="flex w-full max-w-2xl flex-row items-center gap-2 rounded-xl bg-secondary p-3">
         <Input
           className="h-12 w-full flex-1 border-transparent bg-transparent text-base shadow-none focus-visible:ring-0 dark:bg-transparent"
           placeholder={t("placeholder")}