Merge branch 'updated-vr-suggestion-error-message' into 'master'

Updated error message when VR MR suggestions can’t be created

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/168986



Merged-by: Mikołaj Wawrzyniak <mwawrzyniak@gitlab.com>
Approved-by: Subashis Chakraborty <schakraborty@gitlab.com>
Approved-by: Mikołaj Wawrzyniak <mwawrzyniak@gitlab.com>
Reviewed-by: Subashis Chakraborty <schakraborty@gitlab.com>
Co-authored-by: Darby Frey <dfrey@gitlab.com>