Fix clip monitor zoom not reset when changing clip, and zone incorrect on zoom

(cherry picked from commit 44ce7aea)

src/monitor/view/MonitorRuler.qml

@@ -362,8 +362,8 @@ Rectangle {
         id: zone
         visible: controller.zoneOut > controller.zoneIn
         color: activePalette.highlight
-        x: controller.zoneIn * root.timeScale / root.zoomFactor - ruler.rulerZoomOffset
-        width: (controller.zoneOut - controller.zoneIn) * root.timeScale / root.zoomFactor
+        x: controller.zoneIn * root.timeScale - ruler.rulerZoomOffset
+        width: (controller.zoneOut - controller.zoneIn) * root.timeScale
         anchors.bottom: parent.bottom
         height: ruler.height / 2
         opacity: 0.8

src/monitor/view/kdenliveclipmonitor.qml

@@ -73,11 +73,6 @@ Item {
 
     onDurationChanged: {
         clipMonitorRuler.updateRuler()
-        // Reset zoom on clip change
-        root.zoomStart = 0
-        root.zoomFactor = 1
-        root.showZoomBar = false
-        root.zoomOffset = 0
     }
     onWidthChanged: {
         clipMonitorRuler.updateRuler()
@@ -86,6 +81,12 @@ Item {
         // Animate clip name
         clipNameLabel.opacity = 1
         showAnimate.restart()
+        // Reset zoom on clip change
+        root.zoomStart = 0
+        root.zoomFactor = 1
+        root.showZoomBar = false
+        root.zoomOffset = 0
+
         // adjust monitor image size if audio thumb is displayed
         if (audioThumb.stateVisible && root.permanentAudiothumb && audioThumb.visible) {
             controller.rulerHeight = audioThumb.height + root.zoomOffset