feat: Append ?room= to conferenceRequestUrl. (#12753)

* feat: Append ?room= to conferenceRequestUrl.

* Declare conferenceRequestUrl in IConfig.

react/features/base/config/configType.ts

@@ -189,6 +189,7 @@ export interface IConfig {
         alwaysVisible?: Array<string>;
         autoHide?: Array<string>;
     };
+    conferenceRequestUrl?: string;
     connectionIndicators?: {
         autoHide?: boolean;
         autoHideTimeout?: number;

react/features/base/connection/actions.any.ts

@@ -189,6 +189,9 @@ export function constructOptions(state: IReduxState) {
         if (options.websocketKeepAliveUrl) {
             options.websocketKeepAliveUrl = appendURLParam(options.websocketKeepAliveUrl, 'room', roomName ?? '');
         }
+        if (options.conferenceRequestUrl) {
+            options.conferenceRequestUrl = appendURLParam(options.conferenceRequestUrl, 'room', roomName ?? '');
+        }
     }
 
     return options;