Close parent Window not self

- Issue MatterHackers/MCCentral#3715
EEProm save button closes panel not parent window

EeProm/EePromMarlinWindow.cs

@@ -162,7 +162,7 @@ namespace MatterHackers.MatterControl.EeProm
 					{
 						SaveSettingsToActive();
 						currentEePromSettings.SaveToEeProm();
-						Close();
+						this.DialogWindow.Close();
 					});
 				};
 				this.AddPageAction(buttonSave);