remove export menus when reloading. fix reloading when there's only one image
remove export menus when reloading. fix reloading when there's only one image

Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode