Refused to connect to ws: because it violates the Content Security Policy directive

{
   "csp-report":{
      "document-uri":"http://localhost:5051/",
      "referrer":"",
      "violated-directive":"connect-src",
      "effective-directive":"connect-src",
      "original-policy":"default-src 'self' blob:; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline' 'unsafe-eval' ; font-src 'self'; img-src 'self' data: blob:; connect-src 'self'; media-src 'self'; object-src 'self' blob:; report-uri /api/CspReport/Log",
      "disposition":"enforce",
      "blocked-uri":"wss://localhost:52837",
      "line-number":234,
      "column-number":25,
      "source-file":"http://localhost:5051/_framework/aspnetcore-browser-refresh.js",
      "status-code":200,
      "script-sample":""
   }
}

connect-src 'self' wss://localhost:*

 app.UseCookieAuthentication(new CookieAuthenticationOptions
        {
            AuthenticationType = DefaultAuthenticationTypes.ApplicationCookie,
            LoginPath = new PathString("/Account/Login"),
            Provider = new CookieAuthenticationProvider
            {
                // Enables the application to validate the security stamp when the user logs in.
                // This is a security feature which is used when you change a password or add an external login to your account.  
                OnValidateIdentity = SecurityStampValidator.OnValidateIdentity<ApplicationUserManager, ApplicationUser>(
                    validateInterval: TimeSpan.FromSeconds(0),
                    regenerateIdentity: (manager, user) => user.GenerateUserIdentityAsync(manager))
            }
        });

await UserManager.UpdateSecurityStampAsync(userId);

public class TokenFactoryService
{
    private readonly JwtBearerOptions _jwtBearerOptions;

    public TokenFactoryService(IOptionsSnapshot<JwtBearerOptions> jwtBearerOptions)
    {
        if (jwtBearerOptions == null)
        {
            throw new ArgumentNullException(nameof(jwtBearerOptions));
        }

        _jwtBearerOptions = jwtBearerOptions.Value ?? throw new ArgumentNullException(nameof(jwtBearerOptions));
    }

    // From: https://github.com/dotnet/aspnetcore/blob/a450cb69b5e4549f5515cdb057a68771f56cefd7/src/Security/Authentication/JwtBearer/src/JwtBearerHandler.cs
    public bool ValidateJwt(string token)
    {
        foreach (var validator in _jwtBearerOptions.SecurityTokenValidators)
        {
            try
            {
                if (validator.CanReadToken(token))
                {
                    validator.ValidateToken(token, _jwtBearerOptions.TokenValidationParameters, out _);
                }
            }
            catch
            {
                return false;
            }
        }

        return true;
    }
}

Right click on the folder -> Properties -> Security tab -> Click at Edit button ->
Enter `IIS AppPool\DefaultAppPool` user (IIS AppPool\<app_pool_name>) -> Click at Check names -> OK ->
Then give it `read & execute` or other permissions.

[Security Warning]
 
Running this text template can potentially harm your computer. Do not run it if you
obtain if rtom an untrusted source.
 
Click OK. to run the template.
Click Cancel top stop the process.
 
[X] Do not show this message again
 
[OK]  [Cancel]