onDone callback didn't called when a value was inserted from clipboard

[idrats]

Even at your example

[✓] Flutter (Channel stable, v1.12.13+hotfix.8, on Mac OS X 10.14.6
    18G3020, locale ru-RU)
    • Flutter version 1.12.13+hotfix.8 at
      /Users/idrats/Documents/flutter
    • Framework revision 0b8abb4724 (7 weeks ago), 2020-02-11 11:44:36
      -0800
    • Engine revision e1e6ced81d
    • Dart version 2.7.0

 
[✓] Android toolchain - develop for Android devices (Android SDK 
    version 28.0.3)
    • Android SDK at /Users/idrats/Library/Android/sdk
    • Android NDK location not configured (optional; useful for native
      profiling support)
    • Platform android-29, build-tools 28.0.3
    • Java binary at: /Applications/Android
      Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build
      1.8.0_152-release-1343-b01)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS (Xcode 11.3.1)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 11.3.1, Build version 11C504
    • CocoaPods version 1.7.5

[✓] Android Studio (version 3.4)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin version 37.0.1
    • Dart plugin version 183.6270
    • Java version OpenJDK Runtime Environment (build
      1.8.0_152-release-1343-b01)

[✓] Connected device (1 available)
    • SM A505FN • R58MC0CFMGA • android-arm64 • Android 9 (API 28)

• No issues found!

[talamaska]

@LiewJunTung any plan to fix this?