refactor(CommunitiesManager): enhance button actions and layout for improved user interaction and functionality

frontend/src/CommunitiesManager.jsx

@@ -14,10 +14,13 @@ import {
   IconLink,
   IconRefresh,
   IconSortAscending,
-  IconSortDescending
+  IconSortDescending,
+  IconUpload,
+  IconDownload,
+  IconDeviceFloppy
 } from '@tabler/icons-react';
 import PageHeader from './components/PageHeader.jsx';
-import PageHeaderActions from './components/PageHeaderActions.jsx';
+import PortalDropdown from './components/PortalDropdown.jsx';
 import EmptyState from './components/EmptyState.jsx';
 import CommunityStats from './components/CommunityStats.jsx';
 import SavedFilters from './components/SavedFilters.jsx';
@@ -354,18 +357,6 @@ function CommunitiesManager() {
       <PageHeader
         title="Справочник Community"
         icon={<IconFilter size={24} />}
-        actions={
-          <PageHeaderActions
-            loading={loading}
-            onRefresh={fetchItems}
-            disableRefresh={loading}
-            onImport={handleImport}
-            onExport={handleExport}
-            disableExport={items.length === 0}
-            onSave={handleSave}
-            disableSave={loading}
-          />
-        }
       />
 
       {/* Уведомления */}
@@ -386,8 +377,8 @@ function CommunitiesManager() {
         </div>
       )}
 
-      {/* Табы в стиле NetworkConfigManager (как на скрине) */}
+      {/* Табы и кнопки в одной строке, единый стиль btn-primary */}
-      <div className="mb-3">
+      <div className="d-flex flex-wrap align-items-center justify-content-between gap-2 mb-3">
         <div className="btn-group" role="tablist" aria-label="Переключение режимов страницы">
           <button
             type="button"
@@ -428,6 +419,50 @@ function CommunitiesManager() {
             </span>
           </button>
         </div>
+        <div className="btn-group">
+          <button
+            type="button"
+            className="btn btn-primary"
+            onClick={fetchItems}
+            disabled={loading}
+            title="Обновить данные"
+          >
+            <IconRefresh size={16} className={loading ? 'spin me-1' : 'me-1'} />
+            Обновить
+          </button>
+          <PortalDropdown
+            buttonClassName="btn btn-primary dropdown-toggle"
+            buttonProps={{ title: 'Импорт/Экспорт' }}
+            align="left"
+            buttonContent={<><IconDownload className="me-1" /> Импорт/Экспорт</>}
+          >
+            <button type="button" className="dropdown-item" onClick={handleImport}>
+              <IconUpload className="me-1" /> Импорт
+            </button>
+            <button
+              type="button"
+              className="dropdown-item"
+              onClick={handleExport}
+              disabled={items.length === 0}
+            >
+              <IconDownload className="me-1" /> Экспорт
+            </button>
+          </PortalDropdown>
+          <button
+            type="button"
+            className="btn btn-primary"
+            onClick={handleSave}
+            disabled={loading}
+            title="Сохранить"
+          >
+            {loading ? (
+              <span className="spinner-border spinner-border-sm me-1" role="status" aria-hidden="true" />
+            ) : (
+              <IconDeviceFloppy className="me-1" />
+            )}
+            Сохранить
+          </button>
+        </div>
       </div>
 
       {/* Отображение списка communities */}