Fix parameter not editable in Unity 2021.2

Author: Antoine Lelievre

Assets/com.alelievr.NodeGraphProcessor/Editor/Views/ExposedParameterFieldFactory.cs

@@ -31,7 +31,7 @@ public ExposedParameterFieldFactory(BaseGraph graph, List<ExposedParameter> cust
 
             exposedParameterObject = ScriptableObject.CreateInstance<ExposedParameterWorkaround>();
             exposedParameterObject.graph = graph;
-            exposedParameterObject.hideFlags = HideFlags.HideAndDontSave;
+            exposedParameterObject.hideFlags = HideFlags.HideAndDontSave ^ HideFlags.NotEditable;
             serializedObject = new SerializedObject(exposedParameterObject);
             UpdateSerializedProperties(customParameters);
         }

CHANGELOG.md

@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Fixed relay node not applying custom conversions when needed
 - Fixed the node create menu not listing all nodes when created from edge drag.
 - Fixed Int vector drawer display in nodes.
+- Fixed parameter not editable in Unity 2021.2.
 
 ### Changed
 - Deprecated the FieldFactory and [FieldDrawer] system. You can use Unity's CustomPropertyDrawer instead.