Switch Brave Origin from the beta to the stable release (#6021)

Brave now publishes brave-origin-bin on AUR, so use it instead of
brave-origin-beta-bin. The stable wrapper also parses flags files
correctly, so Brave Origin can use the normal chromium flags like
the other Chromium-based browsers.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

migrations/1784510887.sh

@@ -0,0 +1,16 @@
+echo "Switch Brave Origin from the beta to the stable release"
+
+if omarchy-pkg-present brave-origin-beta-bin; then
+  default_browser=$(xdg-settings get default-web-browser 2>/dev/null || true)
+
+  omarchy-pkg-aur-add brave-origin-bin
+  omarchy-pkg-drop brave-origin-beta-bin
+
+  mkdir -p ~/.config
+  cp -f "$OMARCHY_PATH/config/chromium-flags.conf" ~/.config/brave-origin-flags.conf
+  rm -f ~/.config/brave-origin-beta-flags.conf
+
+  if [[ $default_browser == "brave-origin-beta.desktop" ]]; then
+    omarchy-default-browser brave-origin
+  fi
+fi