fix: missing overscroll dragDetails updates

Author: gonuit

CHANGELOG.md

@@ -1,5 +1,6 @@
 ## 3.1.2
 - Deprecated the *withRotation* argument of the *CustomMaterialIndicator* widget. The rotation function will be removed in the upcoming version.
+- Fixed missing drag detail (*IndicatorController.dragDetails*) information from scroll events.
 ## 3.1.1
 - Fix:
   - Fixed *durations* parameter of *CustomRefreshIndicator* widget. Reported by [@jccd1996](https://github.com/jccd1996) in [#58](https://github.com/gonuit/flutter-custom-refresh-indicator/issues/58).

lib/src/custom_refresh_indicator.dart

@@ -379,6 +379,8 @@ class CustomRefreshIndicatorState extends State<CustomRefreshIndicator>
   }
 
   bool _handleOverscrollNotification(OverscrollNotification notification) {
+    controller.setIndicatorDragDetails(notification.dragDetails);
+
     if (!controller.hasEdge) {
       controller.setIndicatorEdge(
         notification.overscroll.isNegative
@@ -399,7 +401,9 @@ class CustomRefreshIndicatorState extends State<CustomRefreshIndicator>
   }
 
   bool _handleScrollEndNotification(ScrollEndNotification notification) {
-    controller.clearPhysicsState();
+    controller
+      ..setIndicatorDragDetails(null)
+      ..clearPhysicsState();
 
     if (controller.state.isArmed) {
       _start();