Fix typehint for ViewBuilder::setClassName()
Fix typehint for ViewBuilder::setClassName()

Fixes #12805

petteyg/cakephp,ndm2/cakephp,petteyg/cakephp,dakota/cakephp,garethellis36/cakephp,ADmad/cakephp,ADmad/cakephp,tenkoma/cakephp,garethellis36/cakephp,CakeDC/cakephp,dakota/cakephp,ADmad/cakephp,ADmad/cakephp,cakephp/cakephp,cakephp/cakephp,tenkoma/cakephp,tenkoma/cakephp,CakeDC/cakephp,garethellis36/cakephp,CakeDC/cakephp,dakota/cakephp,garethellis36/cakephp,mvdriel/cakephp,cakephp/cakephp,mvdriel/cakephp,petteyg/cakephp,tenkoma/cakephp,ndm2/cakephp,ndm2/cakephp,mvdriel/cakephp,petteyg/cakephp,mvdriel/cakephp,cakephp/cakephp,ndm2/cakephp,CakeDC/cakephp,dakota/cakephp