Scroll per-pixel rather than per-item on E131 config page

Author: CalcProgrammer1

qt/OpenRGBE131SettingsPage.ui

@@ -36,7 +36,11 @@
     </widget>
    </item>
    <item row="0" column="0" colspan="3">
-    <widget class="QListWidget" name="E131DeviceList"/>
+    <widget class="QListWidget" name="E131DeviceList">
+     <property name="verticalScrollMode">
+      <enum>QAbstractItemView::ScrollPerPixel</enum>
+     </property>
+    </widget>
    </item>
   </layout>
  </widget>