Добавьте этот код в extra.less
Less:
// Login
.p-navgroup-link.p-navgroup-link--textual.p-navgroup-link--logIn:before { font-family: 'Font Awesome 5 Pro'; font-size: inherit; font-style: normal; font-weight: 400; text-rendering: auto; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; content: "\f090"; width: 1em; display: inline-block; text-align: center; color: #E6BB5C;
}
.p-navgroup-link.p-navgroup-link--textual.p-navgroup-link--register:before { font-family: 'Font Awesome 5 Pro'; font-size: inherit; font-style: normal; font-weight: 400; text-rendering: auto; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; content: "\f084"; width: 1em; display: inline-block; text-align: center; color: #E6BB5C;
}
