Merge pull request #97929 from timothyqiu/rtl-checkbutton

Fix `CheckButton` mirrored icon in editor theme

editor/icons/GuiToggleOffMirrored.svg

@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="38" height="16"><rect width="36" height="14" x="1" y="1" fill="gray" rx="7"/><circle cx="8" cy="8" r="5" fill="#b3b3b3"/></svg>
+<svg xmlns="http://www.w3.org/2000/svg" width="38" height="16"><g fill="#e0e0e0"><rect width="36" height="14" x="1" y="1" fill-opacity=".2" rx="7"/><circle cx="30" cy="8" r="5"/></g></svg>