src/qml/controls/subtitletext: set render type to qt rendering

Set the renderType to TextEdit.QtRendering. This may look better/more
consistent with the rendering for PathText leading to better outcomes
when it comes to positioning.

Author: ripose-jp

src/qml/controls/SubtitleText.qml

@@ -208,6 +208,7 @@ Item {
                     selectByKeyboard: false
                     selectionColor: MementoPalette.highlight
                     wrapMode: TextEdit.NoWrap
+                    renderType: TextEdit.QtRendering
                     text: modelData.text
 
                     Connections {