[로그인] 패스워드 표시 버튼 수정

src/components/auth/Login.jsx

@@ -234,6 +234,7 @@ export default function Login() {
                       onBlur={() => setSecFocus(false)}
                     />
                     <button
+                      type="button"
                       className={`password-hidden ${passwordVisible ? 'visible' : ''}`}
                       onClick={(e) => {
                         e.preventDefault()