qml/BannerSources: Update look and feel

modules/gui/qt/maininterface/qml/BannerSources.qml

@@ -206,13 +206,14 @@ FocusScope {
                     anchors.fill: parent
                 }
 
-                Widgets.CoverShadow {
-                    anchors.fill: localToolbarBg
-                    source: localToolbarBg
-                    primaryVerticalOffset: VLCStyle.dp(1)
-                    primaryRadius: VLCStyle.dp(9)
-                    secondaryVerticalOffset: VLCStyle.dp(0)
-                    secondaryRadius: VLCStyle.dp(2)
+                Rectangle {
+                    anchors.left : localToolbarBg.left
+                    anchors.right: localToolbarBg.right
+                    anchors.top  : localToolbarBg.bottom
+
+                    height: VLCStyle.border
+
+                    color: VLCStyle.colors.bannerBorder
                 }
 
                 Widgets.NavigableRow {

modules/gui/qt/style/VLCColors.qml

@@ -69,6 +69,10 @@ Item {
 
     property color bgFocus: (isThemeDark) ? white : black
 
+    // Banner
+
+    property color bannerBorder: (isThemeDark) ? "#303030" : "#e0e0e0"
+
     // Button
 
     property color button: systemPalette.button

modules/gui/qt/style/VLCStyle.qml

@@ -51,6 +51,8 @@ Item {
     property double margin_xlarge: dp(32, scale);
     property double margin_xxlarge: dp(36, scale);
 
+    // Borders
+    property int border: dp(1, scale)
     property int focus_border: dp(2, scale)
 
     property int fontSize_xsmall: fontMetrics_xsmall.font.pixelSize