Add darker hover to make hovering on an item within an item with lightHover visible

Signed-off-by: Claudio Cambra <claudio.cambra@nextcloud.com>

src/gui/tray/ActivityItemContent.qml

@@ -182,7 +182,7 @@ RowLayout {
                 display: Button.IconOnly
                 leftPadding: 0
                 rightPadding: 0
-                bgColor: Style.lightHover
+                bgColor: Style.darkerHover
                 bgNormalOpacity:  0
 
                 visible: model.showFileDetails
@@ -204,7 +204,7 @@ RowLayout {
                 display: Button.IconOnly
                 leftPadding: 0
                 rightPadding: 0
-                bgColor: Style.lightHover
+                bgColor: Style.darkerHover
                 bgNormalOpacity: 0
 
                 NCToolTip {

theme/Style/Style.qml

@@ -14,6 +14,7 @@ QtObject {
     readonly property color ncSecondaryTextColor: "#808080"
     readonly property color ncHeaderTextColor: "white"
     readonly property color lightHover: Theme.darkMode ? Qt.lighter(backgroundColor, 2) : Qt.darker(backgroundColor, 1.05)
+    readonly property color darkerHover: Theme.darkMode ? Qt.lighter(backgroundColor, 2.35) : Qt.darker(backgroundColor, 1.25)
     readonly property color menuBorder: Theme.darkMode ? Qt.lighter(backgroundColor, 2.5) : Qt.darker(backgroundColor, 1.5)
     readonly property color backgroundColor: Theme.systemPalette.base
     readonly property color buttonBackgroundColor: Theme.systemPalette.button