fix: various menu fixes & improvements

src/images/magnify-white.svg

src/scripts/menu-search-control.js

src/styles/admin-circles/_index.scss

src/styles/index.scss

src/styles/left-nav/_index.scss

src/views/partials/menu-left.pug

src/views/partials/widgets/hubl-menu-contact-removed.pug

src/views/partials/widgets/hubl-menu-fix-url-circle.pug

src/views/partials/widgets/hubl-menu-fix-url-contact.pug

src/views/partials/widgets/hubl-menu-fix-url-project.pug