fix(jitsi): JitsiMeetElectron unavailable on preload script (#2031)

Author: tassoevan

src/preload.ts

@@ -26,11 +26,12 @@ declare global {
 const start = async (): Promise<void> => {
   const serverUrl = await invoke('server-view/get-url');
 
+  contextBridge.exposeInMainWorld('JitsiMeetElectron', JitsiMeetElectron);
+
   if (!serverUrl) {
     return;
   }
 
-  contextBridge.exposeInMainWorld('JitsiMeetElectron', JitsiMeetElectron);
   contextBridge.exposeInMainWorld('RocketChatDesktop', RocketChatDesktop);
 
   setServerUrl(serverUrl);