opt: change minimum cursor size to 12

.github/workflows/flutter-nightly.yml

@@ -40,12 +40,12 @@ jobs:
           flutter-version: ${{ env.FLUTTER_VERSION }}
       
       - name: Replace engine with rustdesk custom flutter engine
-        shell: bash
         run: |
           flutter doctor -v
-          wget https://github.com/Kingtous/engine/releases/download/v3.0.5-rustdesk/windows-x64-release-flutter.zip
-          unzip windows-x64-release-flutter.zip -d engine
-          mv engine/*  C:/hostedtoolcache/windows/flutter/stable-3.0.5-x64/bin/cache/artifacts/engine/windows-x64-release/
+          flutter precache --windows
+          Invoke-WebRequest -Uri https://github.com/Kingtous/engine/releases/download/v3.0.5-rustdesk/windows-x64-release-flutter.zip -OutFile windows-x64-release-flutter.zip
+          Expand-Archive windows-x64-release-flutter.zip -DestinationPath engine
+          mv -Force engine/*  C:/hostedtoolcache/windows/flutter/stable-3.0.5-x64/bin/cache/artifacts/engine/windows-x64-release/
 
       - name: Install Rust toolchain
         uses: actions-rs/toolchain@v1

flutter/lib/consts.dart

@@ -45,7 +45,7 @@ const double kEmptyMarginTop = 50;
 const double kDesktopIconButtonSplashRadius = 20;
 
 /// [kMinCursorSize] indicates min cursor (w, h)
-const int kMinCursorSize = 24;
+const int kMinCursorSize = 12;
 
 /// [kDefaultScrollAmountMultiplier] indicates how many rows can be scrolled after a minimum scroll action of mouse
 const kDefaultScrollAmountMultiplier = 5.0;