fix 2open add sections

src/app/_modules/pages/sections/add/add-section.component.html

@@ -1,6 +1,6 @@
-<div class="add">
+<div class="add" (mouseleave)="hideDD()">
   <div class="toggle" [class.active]="ddVisible" (click)="toggleDD()">Добавить элемент</div>
-  <div class="dropdown active" [class.active]="ddVisible" (mouseleave)="hideDD()">
+  <div class="dropdown active" [class.active]="ddVisible">
     <div class="menu">
       <div *ngFor="let type of types" class="type">
         <div class="row" *ngIf="type?.children?.data?.length > 0; else addItem" (click)="submenu(type)">