qml: reorganise toolbarTopLayout, so that top-left click opens menu

previously clicking too far left would not open the wallet-menu:
- click on label would open it, but
- click on wallet-icon or padding to its left would not

electrum/gui/qml/components/main.qml

@@ -111,6 +111,20 @@ ApplicationWindow
                 Layout.rightMargin: constants.paddingMedium
                 Layout.alignment: Qt.AlignVCenter
 
+                Item {
+                    Layout.fillWidth: true
+                    Layout.preferredHeight: Math.max(implicitHeight, toolbarTopLayout.height)
+
+                    MouseArea {
+                        anchors.fill: parent
+                        onClicked: {
+                            stack.getRoot().menu.open()  // open wallet-menu
+                            stack.getRoot().menu.y = toolbar.height
+                        }
+                    }
+
+                    RowLayout {
+
                         Item {
                             Layout.preferredWidth: constants.paddingXLarge
                             Layout.preferredHeight: 1
@@ -133,11 +147,6 @@ ApplicationWindow
                             verticalAlignment: Qt.AlignVCenter
                             font.pixelSize: constants.fontSizeMedium
                             font.bold: true
-                    MouseArea {
-                        anchors.fill: parent
-                        onClicked: {
-                            stack.getRoot().menu.open()
-                            stack.getRoot().menu.y = toolbar.height
                         }
                     }
                 }
@@ -148,7 +157,7 @@ ApplicationWindow
 
                     MouseArea {
                         anchors.fill: parent
-                        onClicked: openAppMenu()
+                        onClicked: openAppMenu()  // open global-app-menu
                     }
 
                     RowLayout {