misc: use ScrollBar instead of ScrollIndicator for scroll areas

Interactive scroll areas with long lists should have a scroll bar
to grab in order to accelerate the scroll process.

Gitlab: #457
Change-Id: I24fe7d4f4f3cdda13432a6ac713bbe5bee5132f7

src/commoncomponents/ListViewJami.qml

@@ -46,6 +46,6 @@ Rectangle {
         clip: true
         maximumFlickVelocity: 1024
 
-        ScrollIndicator.vertical: ScrollIndicator {}
+        ScrollBar.vertical: ScrollBar { }
     }
 }

src/commoncomponents/SettingParaCombobox.qml

@@ -122,7 +122,7 @@ ComboBox {
             model: root.delegateModel
             currentIndex: root.highlightedIndex
 
-            ScrollIndicator.vertical: ScrollIndicator { }
+            ScrollBar.vertical: ScrollBar { }
         }
 
         background: Rectangle {

src/mainview/components/AccountComboBoxPopup.qml

@@ -67,7 +67,7 @@ Popup {
                 }
             }
 
-            ScrollIndicator.vertical: ScrollIndicator {}
+            ScrollBar.vertical: ScrollBar { }
         }
 
         // fake footer item as workaround for Qt 5.15 bug

src/mainview/components/CallActionBar.qml

@@ -461,7 +461,7 @@ Control {
                                    null
 
                         delegate: buttonDelegate
-                        ScrollIndicator.vertical: ScrollIndicator {}
+                        ScrollBar.vertical: ScrollBar { }
 
                         add: Transition {
                             NumberAnimation {
@@ -491,7 +491,7 @@ Control {
                                    overflowButton.delegateModel :
                                    null
 
-                        ScrollIndicator.vertical: ScrollIndicator {}
+                        ScrollBar.vertical: ScrollBar { }
                     }
 
                     background: Rectangle {

src/mainview/components/CallButtonDelegate.qml

@@ -254,7 +254,7 @@ ItemDelegate {
                 implicitWidth: menuItemWidth
                 implicitHeight: Math.min(contentHeight, menuItemHeight * 6) + 24
 
-                ScrollIndicator.vertical: ScrollIndicator {}
+                ScrollBar.vertical: ScrollBar { }
 
                 clip: true
 

src/mainview/components/ConversationListView.qml

@@ -38,7 +38,7 @@ ListView {
 
     clip: true
     maximumFlickVelocity: 1024
-    ScrollIndicator.vertical: ScrollIndicator {}
+    ScrollBar.vertical: ScrollBar { }
 
     // highlight selection
     // down and hover states are done within the delegate

src/mainview/components/ParticipantCallInStatusView.qml

@@ -56,5 +56,5 @@ ListView {
 
     clip: true
     maximumFlickVelocity: 1024
-    ScrollIndicator.vertical: ScrollIndicator {}
+    ScrollBar.vertical: ScrollBar { }
 }

src/mainview/components/PluginHandlerPicker.qml

@@ -170,7 +170,7 @@ Popup {
                         }
                     }
 
-                    ScrollIndicator.vertical: ScrollIndicator {}
+                    ScrollBar.vertical: ScrollBar { }
                 }
             }
         }

src/settingsview/SettingsView.qml

@@ -172,7 +172,7 @@ Rectangle {
             width: settingsViewRect.width
 
             maximumFlickVelocity: 1024
-            ScrollIndicator.vertical: ScrollIndicator {}
+            ScrollBar.vertical: ScrollBar { }
 
             clip: true
             contentHeight: rightSettingsStackLayout.height