Fix launcher keyboard scrolling

shell/plugins/launcher/Launcher.qml

@@ -233,12 +233,14 @@ Item {
     root.filterText = nextFilter
     root.selectedIndex = 0
     root.cursorActive = true
+    root.hoverArmed = false
     root.rebuildDisplay()
   }
 
   function select(delta) {
     if (displayModel.count === 0) return
     root.cursorActive = true
+    root.hoverArmed = false
     root.selectedIndex = (root.selectedIndex + delta + displayModel.count) % displayModel.count
     resultList.positionViewAtIndex(root.selectedIndex, ListView.Contain)
   }
@@ -456,6 +458,7 @@ Item {
           } else if (event.key === Qt.Key_Home) {
             if (displayModel.count > 0) {
               root.cursorActive = true
+              root.hoverArmed = false
               root.selectedIndex = 0
               resultList.positionViewAtIndex(root.selectedIndex, ListView.Contain)
             }
@@ -463,6 +466,7 @@ Item {
           } else if (event.key === Qt.Key_End) {
             if (displayModel.count > 0) {
               root.cursorActive = true
+              root.hoverArmed = false
               root.selectedIndex = displayModel.count - 1
               resultList.positionViewAtIndex(root.selectedIndex, ListView.Contain)
             }

test/shell.d/launcher-search-test.sh

@@ -68,6 +68,11 @@ assertEqual(acronymMatches[0], 'Google Contacts', 'short acronym matching still
 const directMatches = search.sortedEntries(entries, 'obs').map(row => search.entryName(row.entry))
 assertEqual(directMatches[0], 'OBS Studio', 'direct app-name matching still works')
 
+assert(
+  /function select\(delta\)[\s\S]*root\.hoverArmed = false[\s\S]*root\.selectedIndex =/.test(launcherQml),
+  'launcher keyboard navigation disarms stale hover before moving selection'
+)
+
 const confirmDeleteMatch = launcherQml.match(/function confirmDelete\(\) \{([\s\S]*?)\n  \}/)
 assert(confirmDeleteMatch, 'launcher confirmDelete function exists')
 assert(