[GLUTEN-11550][UT] Enable GlutenXmlFunctionsSuite for Spark 4.0 and 4.1 (apache#11725)

The woodstox classpath conflict that caused 10 failures was already fixed
by PR apache#11580. All 31 tests pass on both spark40 and spark41.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: baibaichen

gluten-ut/spark40/src/test/scala/org/apache/gluten/utils/velox/VeloxTestSettings.scala

@@ -861,7 +861,7 @@ class VeloxTestSettings extends BackendTestSettings {
   // TODO: 4.x enableSuite[GlutenVariantShreddingSuite]  // 8 failures
   enableSuite[GlutenVariantSuite]
   enableSuite[GlutenVariantWriteShreddingSuite]
-  // TODO: 4.x enableSuite[GlutenXmlFunctionsSuite]  // 10 failures
+  enableSuite[GlutenXmlFunctionsSuite]
   enableSuite[GlutenApproxCountDistinctForIntervalsQuerySuite]
   enableSuite[GlutenApproximatePercentileQuerySuite]
   enableSuite[GlutenCachedTableSuite]

gluten-ut/spark41/src/test/scala/org/apache/gluten/utils/velox/VeloxTestSettings.scala

@@ -826,7 +826,7 @@ class VeloxTestSettings extends BackendTestSettings {
   // TODO: 4.x enableSuite[GlutenVariantShreddingSuite]  // 8 failures
   enableSuite[GlutenVariantSuite]
   enableSuite[GlutenVariantWriteShreddingSuite]
-  // TODO: 4.x enableSuite[GlutenXmlFunctionsSuite]  // 10 failures
+  enableSuite[GlutenXmlFunctionsSuite]
   enableSuite[GlutenApproxCountDistinctForIntervalsQuerySuite]
   enableSuite[GlutenAddMetadataColumnsSuite]
   enableSuite[GlutenAlwaysPersistedConfigsSuite]