FIX: uum 134737 corrupt input action asset editor window on restart (#2371)

Co-authored-by: Morgan Hoarau <122548697+MorganHoarau@users.noreply.github.com>

Author: Darren-Kelly-Unity

Packages/com.unity.inputsystem/CHANGELOG.md

@@ -15,6 +15,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Improved New Input System warning dialog, Native Device Inputs Not Enabled [UUM-132151].
 - Fixed caching for InputControlPath display name [ISX-2501](https://jira.unity3d.com/browse/ISX-2501)
 - Fixed editor closing and not saving the input asset when clicking cancel in the dialog prompt [UUM-134748](https://jira.unity3d.com/browse/UUM-134748)
+- Fixed the input actions editor window entering a corrupt state when restarting Unity after the asset was edited. [UUM-134737](https://jira.unity3d.com/browse/UUM-134737)
 
 ### Changed
 

Packages/com.unity.inputsystem/InputSystem/Editor/UITKAssetEditor/InputActionsEditorWindow.cs

@@ -215,9 +215,9 @@ private void CreateGUI() // Only domain reload
                     if (m_AssetObjectForEditing == null)
                     {
                         workingCopy = InputActionAssetManager.CreateWorkingCopy(asset);
+                        m_State = new InputActionsEditorState(m_State, new SerializedObject(workingCopy));
                         if (m_State.m_Analytics == null)
                             m_State.m_Analytics = analytics;
-                        m_State = new InputActionsEditorState(m_State, new SerializedObject(workingCopy));
                         m_AssetObjectForEditing = workingCopy;
                     }
                     else
@@ -348,6 +348,13 @@ private bool OnWantsToQuit()
             // Here the user will be prompted
             bool isAllowedToQuit = CheckCanCloseAndPromptIfDirty(false);
             m_IsEditorQuitting = isAllowedToQuit;
+
+            if (m_IsEditorQuitting)
+            {
+                // Reset flag in case another wantsToQuit listener aborts the quit.
+                EditorApplication.delayCall += () => m_IsEditorQuitting = false;
+            }
+
             return m_IsEditorQuitting;
         }