Fix ParameterElementImpl.hasImplicitType for function-typed parameters.

pkg/analyzer/lib/src/dart/element/element.dart

Index: pkg/analyzer/lib/src/dart/element/element.dart
diff --git a/pkg/analyzer/lib/src/dart/element/element.dart b/pkg/analyzer/lib/src/dart/element/element.dart
index 7d9e91e664783b3838dfe5694611f90f2a38f859..3e77604a2da52b37ea3fdf680c53d5fbc1103d60 100644
--- a/pkg/analyzer/lib/src/dart/element/element.dart
+++ b/pkg/analyzer/lib/src/dart/element/element.dart
@@ -7449,7 +7449,7 @@ class ParameterElementImpl extends VariableElementImpl
   @override
   bool get hasImplicitType {
     if (_unlinkedParam != null) {
-      return _unlinkedParam.type == null;
+      return _unlinkedParam.type == null && !_unlinkedParam.isFunctionTyped;
     }
     return super.hasImplicitType;
   }