fix moving cursor screen row down with row-wrapping tab characters

src/core/BufferView.cc

@@ -402,14 +402,20 @@ void BufferView::move_forward_to_screen_position(
         bool allow_eol)
 {
     *m_iterator = *line;
+    bool moved_to_target_row = false;
     for (auto it = horiz_iter(line); it.is_valid(); it++)
     {
-        if ((allow_eol || (!it.is_eol())) &&
+        if (((!it.is_eol()) || allow_eol) &&
                     ((it.row_offset() < target_row_offset) ||
+                     (!moved_to_target_row) ||
                      (it.screen_column() <= m_target_screen_column)))
         {
             *m_iterator = *it.iterator();
             m_cursor_row_offset = it.row_offset();
+            if (it.row_offset() == target_row_offset)
+            {
+                moved_to_target_row = true;
+            }
         }
         else
         {