fix: loadEntry default behavior

[zhangHongEn]

Description

loadEntry hook returns the unprocessed module according to the original logic, and the current situation will report an error

{
  name: "loadEntryPlugin",
  loadEntry({remoteInfo}) {
    if (remoteInfo.name === "test") {
      return {init, get}
    }
    // other module error
  }
}

Related Issue

Types of changes

• [ ] Docs change / refactoring / dependency upgrade
• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)

Checklist

• [x] I have added tests to cover my changes.
• [ ] All new and existing tests passed.
• [ ] I have updated the documentation.