Fix typo in VMap BIH generation (#18297)

Fix typo in VMap BIH generation
By zorix

src/common/Collision/BoundingIntervalHierarchy.cpp

@@ -152,13 +152,13 @@ void BIH::subdivide(int left, int right, std::vector<uint32> &tempTree, buildDat
         else if (left > right)
         {
             // all right
+            right = rightOrig;
             if (prevAxis == axis && G3D::fuzzyEq(prevSplit, split)) {
                 // we are stuck here - create a leaf
                 stats.updateLeaf(depth, right - left + 1);
                 createNode(tempTree, nodeIndex, left, right);
                 return;
             }
-            right = rightOrig;
             if (clipR >= split) {
                 // keep looping on right half
                 gridBox.lo[axis] = split;