fix _keyboardHeight

packages/zefyr/example/ios/Flutter/flutter_export_environment.sh

 # This is a generated file; do not edit or check into version control.
 export "FLUTTER_ROOT=/Users/imac/.fvm/versions/latest-dev"
 export "FLUTTER_APPLICATION_PATH=/Users/imac/Documents/flutter/projects/zefyr/packages/zefyr/example"
-export "FLUTTER_TARGET=lib/main.dart"
+export "FLUTTER_TARGET=/Users/imac/Documents/flutter/projects/zefyr/packages/zefyr/example/lib/main.dart"
 export "FLUTTER_BUILD_DIR=build"
 export "SYMROOT=${SOURCE_ROOT}/../build/ios"
 export "OTHER_LDFLAGS=$(inherited) -framework Flutter"
 export "FLUTTER_FRAMEWORK_DIR=/Users/imac/.fvm/versions/latest-dev/bin/cache/artifacts/engine/ios"
 export "FLUTTER_BUILD_NAME=1.0.0"
 export "FLUTTER_BUILD_NUMBER=1"
+export "DART_DEFINES=flutter.inspector.structuredErrors%3Dtrue"
 export "DART_OBFUSCATION=false"
-export "TRACK_WIDGET_CREATION=false"
+export "TRACK_WIDGET_CREATION=true"
 export "TREE_SHAKE_ICONS=false"

packages/zefyr/example/ios/Podfile.lock

 
 SPEC CHECKSUMS:
   Flutter: 0e3d915762c693b495b44d77113d4970485de6ec
-  flutter_plugin_android_lifecycle: 47de533a02850f070f5696a623995e93eddcdb9b
-  image_picker: e3eacd46b94694dde7cf2705955cece853aa1a8f
+  flutter_plugin_android_lifecycle: dc0b544e129eebb77a6bfb1239d4d1c673a60a35
+  image_picker: 66aa71bc96850a90590a35d4c4a2907b0d823109
   photo_manager: f7c619c2cc8c2adb8d85c63363babac477de9c67
-  url_launcher: a1c0cc845906122c4784c542523d8cacbded5626
+  url_launcher: 6fef411d543ceb26efce54b05a0a40bfd74cbbef
   url_launcher_macos: fd7894421cd39320dce5f292fc99ea9270b2a313
   url_launcher_web: e5527357f037c87560776e36436bf2b0288b965c
 
 PODFILE CHECKSUM: 49ec7d4076524b7e225c38b98147173651ac4b9d
 
-COCOAPODS: 1.8.4
+COCOAPODS: 1.9.1

packages/zefyr/lib/src/widgets/editor.dart

     super.initState();
     _imageDelegate = widget.imageDelegate;
     _linkDelegate = widget.linkDelegate;
-    WidgetsBinding.instance.addPostFrameCallback((Duration duration) {
-      if (MediaQuery.of(context).viewInsets.bottom == 0) {
-        if (!_scope.keepOverlay) {
-          _scope.toolbarAction = null;
-          hideToolbar();
-        }
-      }
-    });
   }
 
   @override

packages/zefyr/lib/src/widgets/toolbar.dart

 
   @override
   Widget build(BuildContext context) {
-    if (MediaQuery.of(context).viewInsets.bottom > 0) {
-      _keyboardHeight = MediaQuery.of(context).viewInsets.bottom;
-    }
+    _keyboardHeight = MediaQuery.of(context).viewInsets.bottom;
     final theme = ZefyrTheme.of(context).toolbarTheme;
 
     final kToolbarDivider = Container(