Merge pull request #12383 from AntiSC2/master

Fix margin with tree drawing

scene/gui/tree.cpp

@@ -1126,7 +1126,7 @@ int Tree::draw_item(const Point2i &p_pos, const Point2 &p_draw_ofs, const Size2
 
 			if (p_item->cells[i].selected && select_mode != SELECT_ROW) {
 
-				Rect2i r(item_rect.position, item_rect.size);
+				Rect2i r(cell_rect.position, cell_rect.size);
 				if (p_item->cells[i].text.size() > 0) {
 					float icon_width = p_item->cells[i].get_icon_size().width;
 					r.position.x += icon_width;