[dwds] ext.flutter.debugDumpApp: (-32603) Unexpected DWDS error for callServiceExtension: Unexpected error from chrome devtools

[christopherfujino]

From flutter stable/3.19.3 which has dwds: 23.0.0+1: https://github.com/flutter/flutter/blob/3.19.3/packages/flutter_tools/pubspec.yaml#L17

RPCError: ext.flutter.debugDumpApp: (-32603) Unexpected DWDS error for callServiceExtension: Unexpected error from chrome devtools:text: Uncaught (in promise)exception:  preview: null  description: null  type: string  value: Unexpected null value.attempted JS eval: `require("dart_sdk").developer.invokeExtension(    "ext.flutter.debugDumpApp", JSON.stringify({}));`
at new _OutstandingRequest(vm_service.dart:265)
at VmService._call.<anonymous closure>(vm_service.dart:1771)
at VmService._call(vm_service.dart:1783)
at VmService.callServiceExtension(vm_service.dart:1733)
at FlutterVmService._checkedCallServiceExtension(vmservice.dart:868)
at FlutterVmService.invokeFlutterExtensionRpcRaw(vmservice.dart:887)
at FlutterVmService.flutterDebugDumpApp(vmservice.dart:614)
at ResidentHandlers.debugDumpApp(resident_runner.dart:681)
at <asynchronous gap>(async)
at TerminalHandler.processTerminalInput(resident_runner.dart:1837)
at <asynchronous gap>(async)

This is not a top crasher, FYI.