feat(ForceScrollBar): supports hovered color

tests/ui/modules/Linphone/ForceScrollBar.qml

@@ -9,10 +9,14 @@ ScrollBar {
     background: ForceScrollBarStyle.background
     contentItem: Rectangle {
         color: pressed
-            ? ForceScrollBarStyle.pressedColor
-            : ForceScrollBarStyle.color
+            ? ForceScrollBarStyle.color.pressed
+            : (hovered
+               ? ForceScrollBarStyle.color.hovered
+               : ForceScrollBarStyle.color.normal
+              )
         implicitHeight: ForceScrollBarStyle.contentItem.implicitHeight
         implicitWidth: ForceScrollBarStyle.contentItem.implicitWidth
         radius: ForceScrollBarStyle.contentItem.radius
     }
+    hoverEnabled: true
 }

tests/ui/modules/Linphone/Styles/DialogStyle.qml

@@ -21,6 +21,7 @@ QtObject {
     property QtObject description: QtObject {
         property int fontSize: 12
         property int verticalMargin: 25
+
         property string color: Constants.colors.l
     }
 }

tests/ui/modules/Linphone/Styles/ForceScrollBarStyle.qml

@@ -4,9 +4,6 @@ import QtQuick 2.7
 import Linphone 1.0
 
 QtObject {
-    property string color: Constants.colors.c
-    property string pressedColor: Constants.colors.b
-
     property Rectangle background: Rectangle {
         color: Constants.colors.a
     }
@@ -16,4 +13,10 @@ QtObject {
         implicitWidth: 8
         radius: 10
     }
+
+    property QtObject color: QtObject {
+        property string hovered: Constants.colors.h
+        property string normal: Constants.colors.c
+        property string pressed: Constants.colors.b
+    }
 }