[EC-758] Add environment variable to enforce SSO Policy for all users (#2428)

* [EC-758] Add environment variable GlobalSettings.Sso.EnforceSsoPolicyForAllUsers to enforce SSO Policy for all users

* [EC-758] Add integration tests

* [EC-758] Add Entities namespace to resolve ambiguous reference

* [EC-758] dotnet format

* [EC-758] Updated integration tests to check for logins with all user types

* [EC-758] Create new TestServer for each test

* [EC-758] Combine unit tests and refactor to use BitAutoData

src/Core/Settings/GlobalSettings.cs

@@ -491,6 +491,7 @@ public class GlobalSettings : IGlobalSettings
     {
         public int CacheLifetimeInSeconds { get; set; } = 60;
         public double SsoTokenLifetimeInSeconds { get; set; } = 5;
+        public bool EnforceSsoPolicyForAllUsers { get; set; }
     }
 
     public class CaptchaSettings

src/Core/Settings/ISsoSettings.cs

@@ -4,4 +4,5 @@ public interface ISsoSettings
 {
     int CacheLifetimeInSeconds { get; set; }
     double SsoTokenLifetimeInSeconds { get; set; }
+    bool EnforceSsoPolicyForAllUsers { get; set; }
 }