docs(material/select): fix select within dialog example not selecting option (#20891)
docs(material/select): fix select within dialog example not selecting option (#20891)


angular/components,mmalerba/material2,mmalerba/material2,DevVersion/material2,angular/components,andrewseguin/material2,DevVersion/material2,andrewseguin/material2,josephperrott/material2,crisbeto/material2,andrewseguin/material2,josephperrott/material2,crisbeto/material2,josephperrott/material2,mmalerba/material2,crisbeto/material2,josephperrott/material2,andrewseguin/material2,crisbeto/material2,mmalerba/material2,angular/components,DevVersion/material2,angular/components,mmalerba/material2,josephperrott/material2,andrewseguin/material2,DevVersion/material2,DevVersion/material2