Reduce compiler warnings: replace qAsConst with std::as_const and update event localPos() to position()

Replaced deprecated qAsConst usages in built modules and updated QMouseEvent::localPos() to position() per Qt6 deprecation guidance.\n\nCo-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Z/src/nglwidgets/rme_light_style.qrc

@@ -0,0 +1,7 @@
+<RCC>
+  <qresource prefix="/style">
+    <file alias="media-seek-backward.svg">icons/svg/media-seek-backward.svg</file>
+    <file alias="media-seek-forward.svg">icons/svg/media-seek-forward.svg</file>
+    <file alias="restart.svg">icons/svg/restart.svg</file>
+  </qresource>
+</RCC>