Use correct Zoom package and install additional OBS plugin.

users/nolan/desktop.nix

@@ -15,7 +15,7 @@
       spotify
       thunderbird
       slack
-      zoom
+      zoom-us
       libreoffice
       nil
       nix-index
@@ -57,6 +57,7 @@
         enable = true;
         plugins = with pkgs.obs-studio-plugins; [
           obs-pipewire-audio-capture
+          obs-multi-rtmp
         ];
       };
       vscode = {