qml: ConfirmTxDialog layout fixes

electrum/gui/qml/components/ConfirmTxDialog.qml

@@ -57,6 +57,8 @@ ElDialog {
 
             Label {
                 id: amountLabel
+                Layout.fillWidth: true
+                Layout.minimumWidth: implicitWidth
                 text: qsTr('Amount to send')
                 color: Material.accentColor
             }
@@ -135,13 +137,20 @@ ElDialog {
                 text: finalizer.target
             }
 
+            RowLayout {
+                Layout.columnSpan: 2
+                Layout.fillWidth: true
+
                 Slider {
                     id: feeslider
+                    Layout.fillWidth: true
                     leftPadding: constants.paddingMedium
+
                     snapMode: Slider.SnapOnRelease
                     stepSize: 1
                     from: 0
                     to: finalizer.sliderSteps
+
                     onValueChanged: {
                         if (activeFocus)
                             finalizer.sliderPos = value
@@ -161,6 +170,7 @@ ElDialog {
                     id: target
                     feeslider: finalizer
                 }
+            }
 
             InfoTextArea {
                 Layout.columnSpan: 2