Merge branch 'communication/#42988_add-user-css' into 'develop'

#42988_協業招待でタブレットで回転するとレイアウトが崩れるバグを修正

See merge request !161

public_new/modal_add_user_list.html

@@ -5,7 +5,7 @@
             <form id="addUserFormInCollaboration" action="chat_add_user_confirm.html" method="post">
                 <!-- ユーザー検索 -->
                 <!-- タブ -->
-                <nav class="nav-modal-add-user" style="width: 75%;">
+                <nav class="nav-modal-add-user" style="position: absolute;">
                     <div class="row h-100 align-items-center">
                         <div class="col-4 pr-0">
                             <div class="nav-item">