fix: screen sharing on wayland; add:safeeyes

this did not work due to a missing/wrong implementation of pipewire
and xdg-portal. Now screensharing works in Microsoft Teams, Firefox as
well as Discord.

This also adds the safeeyes service.

profiles/common/nixos/sway.nix

@@ -0,0 +1,26 @@
+{ pkgs, ... }:
+{
+
+  programs.sway = {
+    enable = true;
+    package = pkgs.swayfx;
+    wrapperFeatures = {
+      base = true;
+      gtk = true;
+    };
+
+    extraOptions = [
+      "--unsupported-gpu"
+    ];
+
+    extraSessionCommands = ''
+      export XDG_SESSION_DESKTOP=sway
+      export SDL_VIDEODRIVER=wayland
+      export QT_QPA_PLATFORM=wayland-egl
+      export QT_WAYLAND_DISABLE_WINDOWDECORATION=1
+      export MOZ_ENABLE_WAYLAND=1
+      export MOZ_DISABLE_RDD_SANDBOX=1
+    '';
+  };
+
+}