Merge pull request #8030 from DonLakeFlyer/ComboHeight

Reduce height of items in combo dropdown

src/QmlControls/QGCComboBox.qml

@@ -54,6 +54,7 @@ T.ComboBox {
     // The items in the popup
     delegate: ItemDelegate {
         width:  _popupWidth
+        height: Math.round(popupItemMetrics.height * 1.75)
 
         property string _text: control.textRole ? (Array.isArray(control.model) ? modelData[control.textRole] : model[control.textRole]) : modelData