FIX: Avoid problems with CI and reimports

Author: ekcoh

Packages/com.unity.inputsystem/InputSystem/Editor/AssetImporter/InputActionImporter.cs

@@ -260,10 +260,20 @@ private static void GenerateWrapperCode(AssetImportContext ctx, InputActionAsset
                 // script assets have to be imported before all other assets, and are not allowed to be added to the import queue during
                 // asset import. So instead we register a callback to trigger a delayed asset refresh which should then pick up the
                 // changed/added script, and trigger a new import.
-                EditorApplication.delayCall += AssetDatabase.Refresh;
+                if (++_importedAssetsSinceLastRefresh == 1)
+                    EditorApplication.update += AssetDatabase.Refresh;
             }
         }
 
+        private static int _importedAssetsSinceLastRefresh = 0;
+
+        private void RefreshGeneratedAssets()
+        {
+            EditorApplication.update -= RefreshGeneratedAssets;
+            _importedAssetsSinceLastRefresh = 0;
+            AssetDatabase.Refresh();
+        }
+
 #if UNITY_INPUT_SYSTEM_PROJECT_WIDE_ACTIONS
         internal static IEnumerable<InputActionReference> LoadInputActionReferencesFromAsset(string assetPath)
         {