fix: reverse DropDownPreference trailing icon orientation

app/src/main/java/com/geeksville/mesh/ui/components/DropDownPreference.kt

@@ -37,8 +37,8 @@ fun <T> DropDownPreference(
             dropDownExpanded = true
         },
         enabled = enabled,
-        trailingIcon = if (dropDownExpanded) Icons.TwoTone.KeyboardArrowDown
-        else Icons.TwoTone.KeyboardArrowUp,
+        trailingIcon = if (dropDownExpanded) Icons.TwoTone.KeyboardArrowUp
+        else Icons.TwoTone.KeyboardArrowDown,
         )
 
     Box {