GxE study status indicator on each study page

[ljwh2]

GxE study status should be indicated on each study page e.g. https://www.ebi.ac.uk/gwas/studies/GCST004800. This could be presented alongside “Full summary statistics” and “Terms/License”. Could be yes/no or would be nice to have an icon like the sumstats. An icon could also be displayed in the search snippet, similar to sumstats and targeted arrays (but this is lower priority).