Function openJoinChatWebview

openJoinChatWebview(
    client: ITelegramClient,
    params: {
        platform: WebviewPlatform;
        queryId: Long;
        theme?: WebviewThemeParams;
    },
): Promise<WebviewResult>
Open a webview of a guard bot, after joinChat returned status: 'webview'.

Once the bot makes a decision, a ChatJoinResultUpdate will be sent.
Parameters
- client: ITelegramClient
- params: { platform: WebviewPlatform; queryId: Long; theme?: WebviewThemeParams }
  - platform: WebviewPlatform
    Webview platform to use in the init data
  - queryId: Long
    ID of the join query, as returned by joinChat
  - Optionaltheme?: WebviewThemeParams
    Theme parameters to pass to the mini app
Returns Promise<WebviewResult>
- Defined in packages/core/src/highlevel/methods/bots/open-join-chat-webview.ts:14