AnalysisLevel property in csproj is broken when choose any localized item in Analysis Level combobox on Code Analysis prop page

_This issue has been moved from [a ticket on Developer Community](https://developercommunity.visualstudio.com/t/AnalysisLevel-property-in-csproj-is-brok/1365408)._

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**Environment**
Visual Studio 2019 version 16.9.1
Language: Japanese

**Steps to reproduce the issue**
(1) Create a new .NET project.

(2) Open “Code Analysis” property page.

(3) Enable .NET Analyzer and choose analysis level “プレビュー”.
! [proppage.png] (https://aka.ms/dc/image?name=B542e39f72ee4458694224ee5e75b8ce9637509900181200775_proppage.png&tid=542e39f72ee4458694224ee5e75b8ce9637509900181200775)

(4) Then you'll see error dialog below.
! [errordiag.png] (https://aka.ms/dc/image?name=B3971e61d42ba40859f025d5f1bcfd198637509902372046985_errordiag.png&tid=3971e61d42ba40859f025d5f1bcfd198637509902372046985)

(5) AnalysisLevel property is broken by the localized display text of selected item and project is unable to be built.
AnalysisLevel property should be the value corresponding to the selected item.

Exe
net5.0
**プレビュー**

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### Original Comments

#### Feedback Bot on 3/10/2021, 10:04 PM:

(private comment, text removed)
#### Feedback Bot on 3/12/2021, 10:07 AM:

(private comment, text removed)
#### Feedback Bot on 6/7/2021, 07:12 PM:

(private comment, text removed)

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### Original Solutions
(no solutions)