Prevent history visible banner from displaying in threads. (#31535)

* fix: Prevent history visible banner from displaying in threads.

* tests: Verify banner is not visible in threads.

src/components/views/composer/HistoryVisibleBanner.tsx

@@ -11,7 +11,7 @@ import { type Room } from "matrix-js-sdk/src/matrix";
 
 import { HistoryVisibleBannerViewModel } from "../../../viewmodels/composer/HistoryVisibleBannerViewModel";
 
-export const HistoryVisibleBanner: React.FC<{ room: Room }> = ({ room }) => {
-    const vm = useCreateAutoDisposedViewModel(() => new HistoryVisibleBannerViewModel({ room }));
+export const HistoryVisibleBanner: React.FC<{ room: Room; threadId?: string | null }> = (props) => {
+    const vm = useCreateAutoDisposedViewModel(() => new HistoryVisibleBannerViewModel(props));
     return <HistoryVisibleBannerView vm={vm} />;
 };

src/components/views/rooms/MessageComposer.tsx

@@ -675,7 +675,7 @@ export class MessageComposer extends React.Component<IProps, IState> {
 
         return (
             <div className={classes} ref={this.ref} role="region" aria-label={_t("a11y|message_composer")}>
-                <HistoryVisibleBanner room={this.props.room} />
+                <HistoryVisibleBanner room={this.props.room} threadId={threadId} />
                 <div className="mx_MessageComposer_wrapper">
                     <UserIdentityWarning room={this.props.room} key={this.props.room.roomId} />
                     <ReplyPreview