feat(ui): support running as menubar app (#1216)

.github/workflows/test.yml

@@ -94,7 +94,7 @@ jobs:
       - if: runner.os == 'Linux'
         run: |
           sudo apt-get update -y
-          sudo apt-get install -y ninja-build libgtk-3-dev libayatana-appindicator3-dev
+          sudo apt-get install -y ninja-build libgtk-3-dev libayatana-appindicator3-dev libkeybinder-3.0-dev
           go build -tags nosqlite -ldflags="-w -s" -buildmode=c-shared -o ui/flutter/linux/bundle/lib/libgopeed.so github.com/GopeedLab/gopeed/bind/desktop
           cd ui/flutter
           flutter build linux