BIG-20546 - Wishlist modal validation
BIG-20546 - Wishlist modal validation

* Add validation registration to callback on getPageModal()

bigcommerce/stencil,aaronrodier84/flukerfarms,mcampa/cornerstone,PeteyRev/ud-revamp,PeteyRev/ud-revamp,ovsokolov/dashconnect-bc,PascalZajac/cornerstone,aaronrodier84/flukerfarms,bigcommerce/stencil,ovsokolov/dashconnect-bc,rho1140/cornerstone,bc-annavu/stencil,caras-ey/BST,aaronrodier84/rouxbrands,juancho1/bauhaus,juancho1/bauhaus,aaronrodier84/flukerfarms,bc-annavu/stencil,mcampa/cornerstone,PascalZajac/cornerstone,ovsokolov/dashconnect-bc,PeteyRev/ud-revamp,caras-ey/BST,juancho1/bauhaus,aaronrodier84/rouxbrands,aaronrodier84/rouxbrands,bc-annavu/stencil,mcampa/cornerstone,caras-ey/BST,PascalZajac/cornerstone,rho1140/cornerstone,rho1140/cornerstone,bigcommerce/stencil