Issue #3277991 by devkinetic, Devashish Jangid, ytsurk: Rename "Quickedit" to "Quick edit"

  $form['media_directories_ui']['quick_edit_form_mode'] = [

    '#type' => 'fieldset',

    '#title' => t('Quick Edit Form Mode'),

    '#description' => t('The media form mode <strong>media_library</strong> is used to display media in the quick edit dialog. You can edit the form display <a href=":url">in the media types field UI</a>. <em>Be aware that the media\'s source field will always be hidden!</em>', [

    '#title' => t('Add/Quick Edit Media(s) Form Mode'),

    '#description' => t('The media form mode <strong>media_library</strong> is used to display media(s) in the add or quick edit dialog. You can edit the form display <a href=":url">in the media types field UI</a>. <em>Be aware that the media\'s source field will always be hidden!</em>', [

      ':url' => Url::fromRoute('entity.media_type.collection')->toString(),

    ]),

  ];