migration fixes

migrations/1792598033.sh

@@ -1,8 +1,12 @@
 #!/bin/bash
 
 # Install the Tailscale GNOME extension
+source "$HOME/.local/share/coredesktop/utils.sh"
+
 ext="tailscale-gnome@diskmth.fr"
+ensure_gext || exit 1
 if ! ~/.local/bin/gext list | grep -q "$ext"; then
-  ~/.local/bin/gext --filesystem install "$ext"
-  ~/.local/bin/gext --filesystem enable "$ext"
+  ~/.local/bin/gext --filesystem install "$ext" || exit 1
 fi
+# Enable even if it was already installed, in case an earlier run stopped short
+~/.local/bin/gext --filesystem enable "$ext"