fix issues

src/RepoM.Api/IO/Methods/IsNullMethod.cs

@@ -1,7 +1,6 @@
 namespace RepoM.Api.IO.Methods;
 
 using System;
-using System.Linq;
 using ExpressionStringEvaluator.Methods;
 using JetBrains.Annotations;
 
@@ -15,6 +14,6 @@ public bool CanHandle(string method)
 
     public object? Handle(string method, params object?[] args)
     {
-        return args == null || args.Any(arg => arg is null);
+        return args == null || Array.Exists(args, arg => arg is null);
     }
 }

src/RepoM.Api/IO/ModuleBasedRepositoryActionProvider/RepositorySpecificConfiguration.cs

@@ -433,7 +433,9 @@ public IEnumerable<RepositoryActionBase> CreateActions(Repository repository)
         using IDisposable d2 = EnvironmentVariableStore.Set(repositoryEnvVars ?? new Dictionary<string, string>());
 
         // load variables global
-        foreach (ActionsCollection actionsCollection in ((IEnumerable<ActionsCollection>?)actions) ?? Array.Empty<ActionsCollection>())
+        IEnumerable<ActionsCollection> iterateOverActions = actions != null ? actions : Array.Empty<ActionsCollection>();
+
+        foreach (ActionsCollection actionsCollection in iterateOverActions)
         {
             using IDisposable d3 = RepoMVariableProviderStore.Push(EvaluateVariables(actionsCollection.Variables, repository));