fix: Fixed overflow issue with nested serialized arguments

Author: SolidAlloy

Editor/Drawers/PersistentArgumentDrawer.cs

@@ -1,4 +1,4 @@
-namespace ExtEvents.Editor
+namespace ExtEvents.Editor
 {
     using System;
     using System.Collections.Generic;
@@ -259,10 +259,13 @@ private static void DrawValueInFoldout(SerializedProperty mainProperty, Serializ
             SerializedProperty iterator = valueProperty.Copy();
             var nextProp = valueProperty.Copy();
             nextProp.NextVisible(false);
+            bool enterChildren = true;
 
-            while (iterator.NextVisible(true) && ! SerializedProperty.EqualContents(iterator, nextProp))
+            while (iterator.NextVisible(enterChildren) && ! SerializedProperty.EqualContents(iterator, nextProp))
             {
-                shiftedRect.height = EditorGUI.GetPropertyHeight(iterator, false);
+                // enter children only once.
+                enterChildren = false;
+                shiftedRect.height = EditorGUI.GetPropertyHeight(iterator, true);
                 EditorGUI.PropertyField(shiftedRect, iterator, true);
                 shiftedRect = shiftedRect.ShiftOneLineDown(lineHeight: shiftedRect.height);
             }

Editor/Drawers/PersistentListenerDrawer.cs

@@ -1,4 +1,4 @@
-namespace ExtEvents.Editor
+namespace ExtEvents.Editor
 {
     using System;
     using System.Collections.Generic;
@@ -153,10 +153,17 @@ private bool DrawArguments(SerializedProperty listenerProperty, List<string> par
 
             EditorGUI.BeginChangeCheck();
 
+            float previousPropertyHeight = EditorGUIUtility.singleLineHeight;
+
             for (int i = 0; i < argumentsArray.arraySize; i++)
             {
-                rect.y += EditorGUIUtility.singleLineHeight + EditorPackageSettings.LinePadding;
                 var argumentProp = argumentsArray.GetArrayElementAtIndex(i);
+
+                var propertyHeight = EditorGUI.GetPropertyHeight(argumentProp);
+                rect.y += previousPropertyHeight + EditorPackageSettings.LinePadding;
+                rect.height = propertyHeight;
+                previousPropertyHeight = propertyHeight;
+
                 string label = EditorPackageSettings.NicifyArgumentNames ? ObjectNames.NicifyVariableName(paramNames[i]) : paramNames[i];
                 EditorGUI.PropertyField(rect, argumentProp, GUIContentHelper.Temp(label));
             }