fix(layout): remove overflow from main container (#585)

This caused an inline scroll container to appear when the power select
at the bottom of the scope edit view was clicked.

drive-by-fix: fix lockfile after incomplete run of yarn upgrade.

Author: czosel

addon/templates/application.hbs

@@ -1,4 +1,4 @@
-<div class="uk-padding-small uk-overflow-auto">
+<div class="uk-padding-small">
   <Nav>
     <Nav::Item @route="users" data-test-nav-users>
       {{t "emeis.users.title"}}