more ux improvements

mix/qml/Debugger.qml

@@ -170,7 +170,7 @@ Rectangle {
 		TransactionLog {
 			id: transactionLog
 			Layout.fillWidth: true
-			Layout.minimumHeight: 60
+			Layout.minimumHeight: 120
 			height: 250
 			anchors.top: parent.top
 			anchors.left: parent.left
@@ -233,6 +233,7 @@ Rectangle {
 								height: 30
 								buttonShortcut: "Ctrl+Shift+F5"
 								buttonTooltip: qsTr("Run Back")
+								visible: false
 							}
 
 							StepActionImage
@@ -245,6 +246,7 @@ Rectangle {
 								height: 30
 								buttonShortcut: "Ctrl+Shift+F11"
 								buttonTooltip: qsTr("Step Out Back")
+								visible: false
 							}
 
 							StepActionImage

mix/qml/StructView.qml

@@ -7,7 +7,7 @@ Column
 {
 	id: root
 	property alias members: repeater.model  //js array
-	property var value : { }
+	property var value: ({})
 	Layout.fillWidth: true
 
 	Repeater
@@ -24,13 +24,13 @@ Column
 				height: 20
 				id: typeLabel
 				text: modelData.type.name
-				Layout.preferredWidth: 50
+				Layout.preferredWidth: 60
 			}
 
 			DefaultLabel {
 				id: nameLabel
 				text: modelData.name
-				Layout.preferredWidth: 80
+				Layout.preferredWidth: 100
 			}
 
 			DefaultLabel {