delay update from handle

we must wait the handle updated its size too for being able to correctly update range position from handle position

declarativeimports/plasmacomponents/qml/ScrollBar.qml

@@ -156,16 +156,8 @@ Item {
         }
         Connections {
             target: internalLoader.item.handle
-            onYChanged: {
+            onYChanged: updateFromHandleTimer.running = true
-                if (internalLoader.isVertical) {
+            onXChanged: updateFromHandleTimer.running = true
-                    range.position = internalLoader.item.handle.y
-                }
-            }
-            onXChanged: {
-                if (!internalLoader.isVertical) {
-                    range.position = internalLoader.item.handle.x
-                }
-            }
         }
         RangeModel {
             id: range
@@ -219,6 +211,18 @@ Item {
             }
         }
 
+        Timer {
+            id: updateFromHandleTimer
+            interval: 10
+            onTriggered: {
+                if (internalLoader.isVertical) {
+                    range.position = internalLoader.item.handle.y
+                } else {
+                    range.position = internalLoader.item.handle.x
+                }
+            }
+        }
+
         source: interactive ? "private/ScrollBarDelegate.qml" : "private/ScrollDecoratorDelegate.qml"
     }
 }