Replace audio item overflow margin by padding to avoid misclicks

Fixes #1604

application/vlc-android/res/layout/audio_browser_item.xml

@@ -130,7 +130,8 @@
                 android:id="@+id/item_more"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_marginEnd="8dp"
+                android:paddingEnd="8dp"
+                android:paddingStart="8dp"
                 android:contentDescription="@string/more_actions"
                 android:onClick="@{holder::onMoreClick}"
                 android:scaleType="center"