Fix for node window staying when clicking elsewhere (#68)

* Fix for node window stayting when clicking elsewhere

* Update CHANGELOG.md

Author: iTris666

com.unity.visualeffectgraph/CHANGELOG.md

@@ -126,6 +126,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Subgraphs are not in hardcoded categories anymore : updated default subgraph templates + Samples to add meaningful categories.
 - Fix creation of StringPropertyRM
 - Enum fields having headers show the header in the inspector as well.
+- Fix for node window staying when clicking elsewhere
 
 ## [7.1.1] - 2019-09-05
 ### Added

com.unity.visualeffectgraph/Editor/FilterPopup/VFXFilterWindow.cs

@@ -302,7 +302,6 @@ internal void OnGUI()
             if (!(activeParent.WantsFocus))
             {
                 EditorGUI.FocusTextInControl("ComponentSearch");
-                Focus();
             }
             Rect searchRect = GUILayoutUtility.GetRect(10, 20);
             searchRect.x += 8;