Module Creator Errors on Configure and Create Package

**Description of bug**
Trying to use the Module Creator 9.8.1 to make quick test module.

**Steps to reproduce**
1. Create Page
2. Place Module Creator Module on Page
3. Provide required information to create a module. (C#, User-Control)
4. Module is added to page.
5. Click module gear icon and select develop.
6. Click create package
7. Receive Error message - "A critical error has occurred. Please check the Admin Logs for further details."

**Current behavior**
Error Message

**Expected behavior**
Install Package is created

**Screenshots**

**Error information**
AbsoluteURL:/Default.aspx
DefaultDataProvider:DotNetNuke.Data.SqlDataProvider, DotNetNuke
ExceptionGUID:57bfa4bf-fc12-48c4-930a-dfe681c2fbc2
AssemblyVersion:9.8.1
PortalId:0
UserId:1
TabId:1106
RawUrl:/Testing-Pages/User-Reg-Expired/ctl/ViewSource/ModuleId/1451/ctlid/303?ReturnURL=/Testing-Pages/User-Reg-Expired&popUp=true
Referrer:http://dnndev.me/Testing-Pages/User-Reg-Expired/ctl/ViewSource/ModuleId/1451/ctlid/303?ReturnURL=/Testing-Pages/User-Reg-Expired&popUp=true
UserAgent:Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36 Edg/88.0.705.68
ExceptionHash:eP6xokbN5rU4oR+vp4/9NDeAwbE=
Message:Object reference not set to an instance of an object.
StackTrace:
InnerMessage:Object reference not set to an instance of an object.
InnerStackTrace:
at Dnn.Module.ModuleCreator.ViewSource.OnPackageClick(Object sender, EventArgs e)
at System.Web.UI.WebControls.LinkButton.OnClick(EventArgs e)
at System.Web.UI.WebControls.LinkButton.RaisePostBackEvent(String eventArgument)
at System.Web.UI.Page.d__523.MoveNext()
Source:
FileName:
FileLineNumber:0
FileColumnNumber:0
Method:
Server Name: DESKTOP-ITGOR02

- [ ] 10.00.00 alpha build
- [ ] 09.09.00 release candidate
- [X] 09.08.01 latest supported release

- [ ] Chrome
- [ ] Firefox
- [ ] Safari
- [ ] Internet Explorer 11
- [ ] Microsoft Edge (Classic)
- [X] Microsoft Edge Chromium

Originally open for DNN Platform.
https://github.com/dnnsoftware/Dnn.Platform/issues/4496

Tái hiện luồng Module Creator qua ViewSource.OnPackageClick, sử dụng các bước đã báo cáo cho gói C# User-Control và kiểm tra Admin Logs để xem chi tiết về tham chiếu null. Được coi là hoàn tất khi hành động tạo gói hoàn thành và tạo ra một gói cài đặt thay vì thông báo lỗi nghiêm trọng.

Do mô hình lập chỉ mục viết ra từ nội dung của issue.