构建默认项目异常

1、flutter doctor -v check passed
2、create project with 
```
flutter create ohos_testt --platform ios,android,ohos
```
3、 build with 
```
flutter build hap
```

4、logs 
Flutter crash report.
Please report a bug at https://github.com/flutter/flutter/issues.

## command

flutter build hap

## exception

_CastError: Null check operator used on a null value

```
#0      CachedArtifacts._getOhosArtifactPath (package:flutter_tools/src/artifacts.dart:595:69)
#1      CachedArtifacts.getArtifactPath (package:flutter_tools/src/artifacts.dart:461:16)
#2      KernelSnapshot.build (package:flutter_tools/src/build_system/targets/common.dart:225:38)
<asynchronous suspension>
#3      _BuildInstance._invokeInternal (package:flutter_tools/src/build_system/build_system.dart:847:9)
<asynchronous suspension>
#4      Future.wait.<anonymous closure> (dart:async/future.dart:522:21)
<asynchronous suspension>
#5      _BuildInstance.invokeTarget (package:flutter_tools/src/build_system/build_system.dart:785:32)
<asynchronous suspension>
#6      Future.wait.<anonymous closure> (dart:async/future.dart:522:21)
<asynchronous suspension>
#7      _BuildInstance.invokeTarget (package:flutter_tools/src/build_system/build_system.dart:785:32)
<asynchronous suspension>
#8      FlutterBuildSystem.build (package:flutter_tools/src/build_system/build_system.dart:614:16)
<asynchronous suspension>
#9      buildHap (package:flutter_tools/src/ohos/build_hap.dart:176:32)
<asynchronous suspension>
#10     BuildHapCommand.runCommand (package:flutter_tools/src/commands/build_hap.dart:47:5)
<asynchronous suspension>
#11     FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:1257:27)
<asynchronous suspension>
#12     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#13     CommandRunner.runCommand (package:args/command_runner.dart:209:13)
<asynchronous suspension>
#14     FlutterCommandRunner.runCommand.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:283:9)
<asynchronous suspension>
#15     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#16     FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:229:5)
<asynchronous suspension>
#17     run.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:64:9)
<asynchronous suspension>
#18     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#19     main (package:flutter_tools/executable.dart:91:3)
<asynchronous suspension>
```

## flutter doctor

```
[33m[!][39m Flutter (Channel master, 3.7.12, on Microsoft Windows [Version 10.0.19045.3570], locale zh-CN)
    [32m•[39m Flutter version 3.7.12 on channel master at D:\flutter\tools\ohos
    [33m![39m Upstream repository https://gitee.com/openharmony-sig/flutter_flutter.git is not a standard remote.
      Set environment variable "FLUTTER_GIT_URL" to https://gitee.com/openharmony-sig/flutter_flutter.git to dismiss
      this error.
    [32m•[39m Framework revision 0df9b8d402 (12 days ago), 2023-11-01 10:45:55 +0000
    [32m•[39m Engine revision 1a65d409c7
    [32m•[39m Dart version 2.19.6
    [32m•[39m DevTools version 2.20.1
    [32m•[39m Pub download mirror https://pub.flutter-io.cn
    [32m•[39m Flutter download mirror https://storage.flutter-io.cn/
    [32m•[39m If those were intentional, you can disregard the above warnings; however it is recommended to use "git" directly
      to perform update checks and upgrades.

[32m[✓][39m OpenHarmony toolchain - develop for OpenHarmony devices
    [32m•[39m OpenHarmony Sdk location: E:\ohc\sdk, available api versions has [9]
    [32m•[39m hdc version 1.2.0
    [32m•[39m ohpm version 1.2.0
    [32m•[39m signTool location:E:\ohc\bk\developtools_hapsigner\autosign

[32m[✓][39m Windows Version (Installed version of Windows is version 10 or higher)

[32m[✓][39m Android toolchain - develop for Android devices (Android SDK version 33.0.1)
    [32m•[39m Android SDK at F:\java\android\sdk
    [32m•[39m Platform android-34, build-tools 33.0.1
    [32m•[39m ANDROID_SDK_ROOT = F:\java\android\sdk
    [32m•[39m Java binary at: F:\java\android\2022.2.1.20\android-studio\jbr\bin\java
    [32m•[39m Java version OpenJDK Runtime Environment (build 17.0.6+0-b2043.56-9586694)
    [32m•[39m All Android licenses accepted.

[32m[✓][39m Chrome - develop for the web
    [32m•[39m Chrome at C:\Program Files\Google\Chrome\Application\chrome.exe

[32m[✓][39m Visual Studio - develop for Windows (Visual Studio Enterprise 2022 17.6.2)
    [32m•[39m Visual Studio at C:\vs\2022\Enterprise
    [32m•[39m Visual Studio Enterprise 2022 version 17.6.33723.286
    [32m•[39m Windows 10 SDK version 10.0.22000.0

[32m[✓][39m Android Studio (version 2022.2)
    [32m•[39m Android Studio at F:\java\android\2022.2.1.20\android-studio
    [32m•[39m Flutter plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/9212-flutter
    [32m•[39m Dart plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/6351-dart
    [32m•[39m Java version OpenJDK Runtime Environment (build 17.0.6+0-b2043.56-9586694)

[32m[✓][39m Connected device (4 available)
    [32m•[39m MI 5s Plus (mobile) • fb38d6c1 • android-arm64  • Android 8.0.0 (API 26)
    [32m•[39m Windows (desktop)   • windows  • windows-x64    • Microsoft Windows [Version 10.0.19045.3570]
    [32m•[39m Chrome (web)        • chrome   • web-javascript • Google Chrome 119.0.6045.124
    [32m•[39m Edge (web)          • edge     • web-javascript • Microsoft Edge 119.0.2151.58

[32m[✓][39m HTTP Host Availability
    [32m•[39m All required HTTP hosts are available

[33m![39m Doctor found issues in 1 category.
```

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