Tooltip text underlined twice with yellow color #12548
Description
Steps to Reproduce
This seems to affect every Tooltip, but can most easily be seen by creating a new flutter project, running it, and long-pressing the floating action button:
flutter create test_tooltip
cd test_tooltip
flutter run
The tooltip shown after long-pressing the fab shown looks like this:
As far as I can tell, this has been introduced in the latest alpha update, but also occures on master.
Flutter Doctor
[✓] Flutter (on Linux, locale de_DE.UTF-8, channel alpha)
• Flutter at /home/simon/bin/flutter
• Framework revision 4424892c79 (vor 4 Tagen), 2017-10-10 16:45:11 -0700
• Engine revision 2a84f18c79
• Tools Dart version 1.25.0-dev.11.0
[✓] Android toolchain - develop for Android devices (Android SDK 26.0.1)
• Android SDK at /home/simon/Android/Sdk
• Platform android-26, build-tools 26.0.1
• Java binary at: /opt/android-studio/jre/bin/java
• Java version OpenJDK Runtime Environment (build 1.8.0_112-release-b06)
[✓] Android Studio (version 2.3)
• Android Studio at /opt/android-studio
• Java version OpenJDK Runtime Environment (build 1.8.0_112-release-b06)
[✓] IntelliJ IDEA Community Edition (version 2017.2)
• Flutter plugin version 18.1
• Dart plugin version 172.4155.35
[✓] Connected devices
• GT I9300 • 32305bd8f5c48001 • android-arm • Android 7.1.2 (API 25)