fix(input): remove placeholder from button accessibility tree (#11404)
fix(input): remove placeholder from button accessibility tree (#11404)

Fixes #11293
bluebirdtech/material,clshortfuse/material,Splaktar/material,Splaktar/material,bluebirdtech/material,oostmeijer/material,miguelcobain/material,Splaktar/material,miguelcobain/material,miguelcobain/material,marekmicek/material,miguelcobain/material,angular/material,marekmicek/material,Splaktar/material,angular/material,angular/material,angular/material,bluebirdtech/material,oostmeijer/material,clshortfuse/material,oostmeijer/material,marekmicek/material,marekmicek/material,bluebirdtech/material,clshortfuse/material,clshortfuse/material,oostmeijer/material