Issue #3469286 by tim bozeman: Navigation module integration

modules/lb_plus_ooo_mommy/css/tweaks.css

modules/lb_plus_ooo_mommy/lb_plus_ooo_mommy.info.yml

modules/lb_plus_ooo_mommy/lb_plus_ooo_mommy.module

modules/lb_plus_section_library/assets/library.svg

modules/lb_plus_toolbar_plus/js/lb-plus-toolbar-plus.js

modules/lb_plus_toolbar_plus/lb_plus_toolbar_plus.info.yml

...s/lb_plus_toolbar_plus/lb_plus_toolbar_plus.libraries.yml

modules/lb_plus_toolbar_plus/lb_plus_toolbar_plus.module

src/Controller/ChangeLayout.php

src/Controller/EditBlockLayout.php

src/Controller/LbPlusUi.php

src/Element/LayoutBuilderPlus.php

src/Element/LayoutBuilderPlusUI.php

src/EventSubscriber/AdminButtons.php

src/EventSubscriber/UiPageWrapper.php

src/Form/OverridesEntityForm.php

src/Plugin/Tool/LayoutBuilder.php

src/Plugin/Tool/LbPlus.php

src/Plugin/Tool/lb-plus.css

src/Plugin/Tool/lb-plus.js