installer:add confirmpassword tooltip ue;

And username focus first

tower:https://tower.im/projects/8f19f0bf0e754f0b82ef2c24bc230973/todos/49c44aacbba44d99b784665232b85526/
tower:https://tower.im/projects/8f19f0bf0e754f0b82ef2c24bc230973/todos/5fa4690e73884f69996771eabce98de6/
Change-Id: Idfe15d12b08065b88160ac0aabfc4deb69b4dde5