fix inconsistent tenantId format

[goxiaoy]

In module FeatureManager, file TenantFeatureManagerExtensions ToString() is used instead of ToString("N")
Incosistent format will cause TenantFeatureValueProvider always get the incorrect value

public static class TenantFeatureManagerExtensions
    {
        public static Task<string> GetOrNullForTenantAsync(this IFeatureManager featureManager, [NotNull] string name, Guid tenantId, bool fallback = true)
        {
            return featureManager.GetOrNullAsync(name, TenantFeatureValueProvider.ProviderName, tenantId.ToString(), fallback);
        }

        public static Task<List<FeatureNameValue>> GetAllForTenantAsync(this IFeatureManager featureManager, Guid tenantId, bool fallback = true)
        {
            return featureManager.GetAllAsync(TenantFeatureValueProvider.ProviderName, tenantId.ToString(), fallback);
        }

        public static Task SetForTenantAsync(this IFeatureManager featureManager, Guid tenantId, [NotNull] string name, [CanBeNull] string value, bool forceToSet = false)
        {
            return featureManager.SetAsync(name, value, TenantFeatureValueProvider.ProviderName, tenantId.ToString(), forceToSet);
        }
    }

[maliming]

@hikalkan
The feature-management module also has inconsistencies,
But I didn't find the code using ToString (" N ") in the setting module.

[hikalkan]

@goxiaoy you only changed in one place. What about others?
@maliming can you check all and fix the problem completely if there is a problem.
We will probably release v1.1.1 tomorrow.

[goxiaoy]

I am going to close this pr. I have not noticed that there are many places using this format and I think it’s better for your guys to decide which one is recommended.