Support NTLM password substitution in DEBUG mode

In DEBUG builds, replace "%NTLM_PW%" in NTLM auth password with a value from config. This enables dynamic credential testing without hardcoding passwords.

src/ReC.Application/RecActions/Commands/InvokeRecActionViewCommand.cs

@@ -95,9 +95,14 @@ public class InvokeRecActionViewCommandHandler(
             case EndpointAuthType.NtlmAuth:
                 if (!string.IsNullOrWhiteSpace(action.EndpointAuthUsername))
                 {
+                        var endpointAuthPassword = action.EndpointAuthPassword
+#if DEBUG
+                            ?.Replace("%NTLM_PW%", config?.GetValue<string>("%NTLM_PW%"))
+#endif
+                            ;
                     var credentials = new NetworkCredential(
                         action.EndpointAuthUsername,
-                        action.EndpointAuthPassword,
+                            endpointAuthPassword,
                         action.EndpointAuthDomain);
                     var credentialCache = new CredentialCache { { httpReq.RequestUri!, "NTLM", credentials } };
                     httpReq.Options.Set(new HttpRequestOptionsKey<CredentialCache>("Credentials"), credentialCache);