Fix patch of deprecated course_modes import path
Fix patch of deprecated course_modes import path

The correct path is `common.djangoapps.course_modes...`

stvstnfrd/edx-platform,EDUlib/edx-platform,angelapper/edx-platform,eduNEXT/edunext-platform,eduNEXT/edunext-platform,EDUlib/edx-platform,eduNEXT/edunext-platform,edx/edx-platform,angelapper/edx-platform,edx/edx-platform,arbrandes/edx-platform,EDUlib/edx-platform,arbrandes/edx-platform,arbrandes/edx-platform,stvstnfrd/edx-platform,eduNEXT/edx-platform,eduNEXT/edx-platform,eduNEXT/edx-platform,edx/edx-platform,eduNEXT/edunext-platform,angelapper/edx-platform,stvstnfrd/edx-platform,eduNEXT/edx-platform,edx/edx-platform,angelapper/edx-platform,arbrandes/edx-platform,stvstnfrd/edx-platform,EDUlib/edx-platform