FIx minor issue

Resolve #5646 (comment)
Resolve #5646 (comment)

Author: PaulDemeulenaere

com.unity.visualeffectgraph/Editor/Inspector/VFXSlotContainerEditor.cs

@@ -66,10 +66,11 @@ public virtual SerializedProperty DoInspectorGUI()
         {
             var fieldInfo = prop.Key.field;
             EditorGUI.BeginChangeCheck();
-            var attrs = fieldInfo.GetCustomAttributes(typeof(StringProviderAttribute), true);
-            if (attrs.Length > 0)
+            var stringAttribute = fieldInfo.GetCustomAttributes<StringProviderAttribute>(true);
+            var rangeAttribute = fieldInfo.GetCustomAttributes<RangeAttribute>(false).FirstOrDefault();
+            if (stringAttribute.Any())
             {
-                var strings = StringPropertyRM.FindStringProvider(attrs)();
+                var strings = StringPropertyRM.FindStringProvider(stringAttribute.ToArray())();
 
                 int selected = prop.Value.hasMultipleDifferentValues ? -1 : System.Array.IndexOf(strings, prop.Value.stringValue);
                 int result = EditorGUILayout.Popup(ObjectNames.NicifyVariableName(prop.Value.name), selected, strings);
@@ -110,15 +111,14 @@ public virtual SerializedProperty DoInspectorGUI()
                 EditorGUILayout.IntPopup(prop.Value, enumNames, enumValues);
             }
             else if (fieldInfo.FieldType == typeof(int)
-                        && fieldInfo.GetCustomAttributes(typeof(RangeAttribute), false).Length != 0
-                        && fieldInfo.GetCustomAttributes(typeof(DelayedAttribute), false).Length != 0)
+                        && rangeAttribute != null
+                        && fieldInfo.GetCustomAttributes<DelayedAttribute>().Any())
             {
                 //Workaround: Range & Delayed attribute are incompatible, avoid the slider usage to keep the delayed behavior
                 var newValue = EditorGUILayout.DelayedIntField(ObjectNames.NicifyVariableName(prop.Value.name), prop.Value.intValue);
                 if (EditorGUI.EndChangeCheck())
                 {
-                    var delay = (RangeAttribute)fieldInfo.GetCustomAttributes(typeof(RangeAttribute), false).First();
-                    newValue = Mathf.Clamp(newValue, (int)delay.min, (int)delay.max);
+                    newValue = Mathf.Clamp(newValue, (int)rangeAttribute.min, (int)rangeAttribute.max);
                     prop.Value.intValue = newValue;
                     modifiedSetting = prop.Value;
                 }