Fix helptips on zmenu when helptips don't show when zmenu opened again
Fix helptips on zmenu when helptips don't show when zmenu opened again

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