Fix compilation error caused by wrong WebSocket message type for SDP

This fixes an error introduced in https://review.jami.net/c/jami-web/+/23075.

Changes:
- Replace WebSocketRTCOffer and WebSocketRTCAnswer imports with WebRTCSDP
- Group all WebSocket interfaces in one file

Change-Id: Ie49aabc34647a5bb9cd983e6ae4e1b691cee6040
diff --git a/common/src/index.ts b/common/src/index.ts
index 7b0c244..3fb02d1 100644
--- a/common/src/index.ts
+++ b/common/src/index.ts
@@ -22,9 +22,7 @@
 export * from './enums/http-status-code.js';
 export * from './enums/websocket-message-type.js';
 export * from './interfaces/account-text-message.js';
-export * from './interfaces/conversation-message.js';
-export * from './interfaces/webrtc-ice-candidate.js';
-export * from './interfaces/webrtc-sdp.js';
+export * from './interfaces/websocket-interfaces.js';
 export * from './interfaces/websocket-message.js';
 export * from './types/websocket-callbacks.js';
 export * from './util.js';