Moved all extension methods into extension blocks (#1155)

app/MindWork AI Studio/Assistants/ERI/AllowedLLMProvidersExtensions.cs

@@ -4,12 +4,15 @@ public static class AllowedLLMProvidersExtensions
 {
     private static string TB(string fallbackEN) => Tools.PluginSystem.I18N.I.T(fallbackEN, typeof(AllowedLLMProvidersExtensions).Namespace, nameof(AllowedLLMProvidersExtensions));
     
-    public static string Description(this AllowedLLMProviders provider) => provider switch
+    extension(AllowedLLMProviders provider)
     {
-        AllowedLLMProviders.NONE => TB("Please select what kind of LLM provider are allowed for this data source"),
-        AllowedLLMProviders.ANY => TB("Any LLM provider is allowed: users might choose a cloud-based or a self-hosted provider"),
-        AllowedLLMProviders.SELF_HOSTED => TB("Self-hosted LLM providers are allowed: users cannot choose any cloud-based provider"),
+        public string Description() => provider switch
+        {
+            AllowedLLMProviders.NONE => TB("Please select what kind of LLM provider are allowed for this data source"),
+            AllowedLLMProviders.ANY => TB("Any LLM provider is allowed: users might choose a cloud-based or a self-hosted provider"),
+            AllowedLLMProviders.SELF_HOSTED => TB("Self-hosted LLM providers are allowed: users cannot choose any cloud-based provider"),
 
-        _ => TB("Unknown option was selected")
-    };
+            _ => TB("Unknown option was selected")
+        };
+    }
 }