fix(island): neutral idle sliver, flag scroll via MouseArea

The sliver was the accent at rest, and udt had snapped the accent to the
same colour as the mic indicator (#36d190), so an idle sliver read as a
live microphone. It is Theme.overlay at rest now; captures keep their
colours whatever the wallpaper does.

The flag's WheelHandler never fired. MouseArea.onWheel, which SoundPage
already uses, does; scroll now switches layout, one step per notch.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

1 files changed, 11 insertions, 6 deletions

diff --git a/desktop/island/StatusPill.qml b/desktop/island/StatusPill.qml
index 344117c..5ab8f95 100644
--- a/desktop/island/StatusPill.qml
+++ b/desktop/island/StatusPill.qml
@@ -93,13 +93,18 @@ Capsule {
 
             // One switch per wheel notch (120). A touchpad sends many small
             // deltas, and switching on each made the count erratic.
-            WheelHandler {
+            // A MouseArea, not a WheelHandler: the handler never fired here,
+            // while MouseArea.onWheel is what SoundPage already relies on.
+            MouseArea {
+                anchors.fill: parent
                 property real acc: 0
-                onWheel: event => {
-                    acc += event.angleDelta.y;
-                    if (Math.abs(acc) < 120) return;
-                    Keyboard.cycle(acc > 0 ? "prev" : "next");
-                    acc = 0;
+                onWheel: wheel => {
+                    acc += wheel.angleDelta.y;
+                    if (Math.abs(acc) >= 120) {
+                        Keyboard.cycle(acc > 0 ? "prev" : "next");
+                        acc = 0;
+                    }
+                    wheel.accepted = true;
                 }
             }
         }