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

.github/workflows/build.yml

@@ -319,7 +319,7 @@ jobs:
           channel: master
       - run: |
           sudo apt update -y
-          sudo apt install -y ninja-build libgtk-3-dev libayatana-appindicator3-1 libayatana-appindicator3-dev rpm patchelf libfuse2 locate imagemagick potrace
+          sudo apt install -y ninja-build libgtk-3-dev libayatana-appindicator3-1 libayatana-appindicator3-dev rpm patchelf libfuse2 locate imagemagick potrace libkeybinder-3.0-dev
           arch=$(uname -m)
           wget -O appimagetool "https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-${arch}.AppImage"
           chmod +x appimagetool
@@ -476,6 +476,7 @@ jobs:
                 - cmake
                 - curl
                 - libgtk-3-dev
+                - libkeybinder-3.0-dev
                 - ninja-build
                 - unzip
                 - xz-utils
@@ -491,6 +492,7 @@ jobs:
               plugin: nil
               stage-packages:
                 - libgtk-3-dev
+                - libkeybinder-3.0-dev
                 - libappindicator3-dev
               override-build: |
                 # work around pub get stack overflow # https://github.com/dart-lang/sdk/issues/51068#issuecomment-1396588253