LibWeb: Add DOMMatrix toFloat32Array and toFloat64Array

Author: https://github.com/bplaat
Commit: 2e122b16e4
Pull-request: https://github.com/SerenityOS/serenity/pull/21233
Reviewed-by: https://github.com/ADKaster

Userland/Libraries/LibWeb/Geometry/DOMMatrixReadOnly.idl

@@ -54,8 +54,8 @@ interface DOMMatrixReadOnly {
     [NewObject] DOMMatrix inverse();
 
     [NewObject] DOMPoint transformPoint(optional DOMPointInit point = {});
-    // FIXME: [NewObject] Float32Array toFloat32Array();
-    // FIXME: [NewObject] Float64Array toFloat64Array();
+    [NewObject] Float32Array toFloat32Array();
+    [NewObject] Float64Array toFloat64Array();
 
     [Exposed=Window] stringifier;
     [Default] object toJSON();